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Keep the center gravity inside the surface area of the object on the ground!
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Fu-Kwun Hwang
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6
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23631
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March 31, 2017, 01:32:33 am
by karmakshetra
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Spring and constant friction force
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Fu-Kwun Hwang
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3
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13948
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April 14, 2016, 12:44:54 pm
by lookang
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Pendulum wave
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Fu-Kwun Hwang
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6
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24786
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December 15, 2015, 06:29:30 pm
by Normaz
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Pendulum in 3D
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Fu-Kwun Hwang
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6
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25171
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November 19, 2015, 02:19:33 pm
by lookang
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Circular motion: acceleration always perpendicular to velocity
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Fu-Kwun Hwang
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7
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66765
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October 21, 2015, 01:32:10 pm
by freddygon
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in which direction will it roll?
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Fu-Kwun Hwang
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2
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8715
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August 11, 2014, 08:32:07 pm
by rexujnk
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Simulate 1D collision with a virtual spring
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Fu-Kwun Hwang
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1
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33400
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April 21, 2014, 02:39:57 pm
by lookang
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Friction force vs external force
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Fu-Kwun Hwang
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8
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11774
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September 12, 2013, 09:08:36 am
by RUPESH BABU
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relation between friction force and normal force
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Fu-Kwun Hwang
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1
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8959
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June 29, 2013, 03:17:55 pm
by Fu-Kwun Hwang
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Coffee cup pendulum (demonstration and simulation)
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Fu-Kwun Hwang
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0
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6290
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June 11, 2013, 10:28:57 am
by Fu-Kwun Hwang
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3 planets motion
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Fu-Kwun Hwang
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0
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5224
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April 15, 2013, 10:23:26 pm
by Fu-Kwun Hwang
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Simulate 1D collssion with spring in between
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Fu-Kwun Hwang
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1
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3961
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April 15, 2013, 01:44:04 pm
by Fu-Kwun Hwang
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Elastic 1D collision: viewed from center of mass frame
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Fu-Kwun Hwang
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0
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5366
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April 13, 2013, 08:58:53 pm
by Fu-Kwun Hwang
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Elastic Collision (1D)
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Fu-Kwun Hwang
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3
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13066
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April 13, 2013, 04:54:31 pm
by Fu-Kwun Hwang
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Elastic 1D collision inquiry
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Fu-Kwun Hwang
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0
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3246
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April 13, 2013, 10:13:51 am
by Fu-Kwun Hwang
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Coupled Pendulum
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Fu-Kwun Hwang
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0
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6370
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April 11, 2013, 09:00:07 am
by Fu-Kwun Hwang
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Hail
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Fu-Kwun Hwang
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0
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2812
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April 10, 2013, 03:37:30 pm
by Fu-Kwun Hwang
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Wheel , angular momentum, torque
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Fu-Kwun Hwang
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1
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4414
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April 09, 2013, 10:45:19 pm
by Fu-Kwun Hwang
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Force is an interaction which can not be determined by single object alone
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Fu-Kwun Hwang
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0
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7284
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October 24, 2012, 10:24:23 pm
by Fu-Kwun Hwang
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Double pendulum
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Fu-Kwun Hwang
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3
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36695
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January 28, 2012, 08:45:52 pm
by Fu-Kwun Hwang
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Satellite motion in 3D
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Fu-Kwun Hwang
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7
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19896
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August 01, 2011, 05:17:02 pm
by ahmedelshfie
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Circular double stars
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Fu-Kwun Hwang
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0
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9861
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April 23, 2011, 11:13:10 am
by Fu-Kwun Hwang
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Collision 2D
« 1 2 3 »
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Fu-Kwun Hwang
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64
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146559
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April 11, 2011, 05:51:32 pm
by Fu-Kwun Hwang
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Projectile motion (compare projectiles with different initial conditions!)
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Fu-Kwun Hwang
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0
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7652
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March 18, 2011, 08:45:40 am
by Fu-Kwun Hwang
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How can a boat sail upwind?
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Fu-Kwun Hwang
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1
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19567
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February 11, 2011, 04:00:38 pm
by darlenehill19
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Two mass and three springs (What will happened?)
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Fu-Kwun Hwang
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0
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5209
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January 02, 2011, 02:44:52 pm
by Fu-Kwun Hwang
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Pendulum sets with different initial angle plus damping
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Fu-Kwun Hwang
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5
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10526
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December 17, 2010, 11:49:42 am
by Fu-Kwun Hwang
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Three Springs in vertical direction elastic bouncing under gravity
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Fu-Kwun Hwang
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0
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4849
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December 03, 2010, 11:03:20 pm
by Fu-Kwun Hwang
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Normal force and Friction force
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Fu-Kwun Hwang
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1
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25041
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December 01, 2010, 07:36:50 am
by lookang
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Newton's cradle
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Fu-Kwun Hwang
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9
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16797
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November 28, 2010, 09:58:46 pm
by Fu-Kwun Hwang
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Bouncing ball with rotation
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Fu-Kwun Hwang
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0
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6207
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November 14, 2010, 04:18:11 am
by Fu-Kwun Hwang
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Accelerated pulley
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Fu-Kwun Hwang
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5
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18392
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August 22, 2010, 12:40:44 am
by ahmedelshfie
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Force analysis of a pendulum
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Fu-Kwun Hwang
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2
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19947
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June 24, 2010, 02:46:10 pm
by Fu-Kwun Hwang
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Turning radius of a ski: Ski/bicycle moving in circle (circular motion in 3D)
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Fu-Kwun Hwang
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1
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10663
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June 24, 2010, 01:35:58 pm
by lookang
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Barton’s Pendulum
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Fu-Kwun Hwang
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0
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15784
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April 24, 2010, 05:33:56 pm
by Fu-Kwun Hwang
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Trajectories for kepler motion
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Fu-Kwun Hwang
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0
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5410
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April 09, 2010, 05:50:16 pm
by Fu-Kwun Hwang
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Static friction/ sliding friction
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Fu-Kwun Hwang
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2
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12707
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April 08, 2010, 11:32:12 pm
by lookang
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Hozirontal spring and vertical spring
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Fu-Kwun Hwang
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1
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13951
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April 05, 2010, 11:17:30 pm
by Fu-Kwun Hwang
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Coriolis force
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Fu-Kwun Hwang
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2
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21797
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April 01, 2010, 08:13:59 pm
by Fu-Kwun Hwang
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Formation of a virtual solar system (2D particles)
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Fu-Kwun Hwang
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2
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11881
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March 19, 2010, 01:28:52 pm
by Fu-Kwun Hwang
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Ballistic pendulum
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Fu-Kwun Hwang
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1
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17362
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March 14, 2010, 09:27:33 am
by eric2010
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Condition for stable equilibrium
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Fu-Kwun Hwang
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4
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32070
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February 12, 2010, 10:18:43 am
by Fu-Kwun Hwang
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Blocks and center of gravity
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Fu-Kwun Hwang
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2
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18312
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December 19, 2009, 04:09:23 pm
by Fu-Kwun Hwang
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Relation between friction force, external force, normal force
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Fu-Kwun Hwang
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1
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14014
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July 23, 2009, 04:01:38 pm
by lookang
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Rolling with or without slipping
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Fu-Kwun Hwang
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1
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25824
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June 11, 2009, 10:24:27 pm
by Fu-Kwun Hwang
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Elastic collision and in-elastic collision
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Fu-Kwun Hwang
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0
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9845
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May 24, 2009, 04:10:14 pm
by Fu-Kwun Hwang
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Action Force and Reaction Force
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Fu-Kwun Hwang
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1
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16280
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May 07, 2009, 04:16:33 pm
by jeff_forssell
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Two springs in parallel connected with a bar + mass under gravity
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Fu-Kwun Hwang
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0
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9415
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April 16, 2009, 05:03:28 pm
by Fu-Kwun Hwang
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Spring connect two objects in graviy field
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Fu-Kwun Hwang
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0
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6845
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April 12, 2009, 05:58:29 pm
by Fu-Kwun Hwang
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Critical damping of spring
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Fu-Kwun Hwang
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0
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17150
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April 12, 2009, 04:41:25 pm
by Fu-Kwun Hwang
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Pendulum (Why the angle need to be less than 5 degree --- is it necessary?)
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Fu-Kwun Hwang
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0
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9439
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March 31, 2009, 09:54:09 pm
by Fu-Kwun Hwang
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static equilibrium (Sum of forces equal zero)
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Fu-Kwun Hwang
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2
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32923
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March 20, 2009, 04:57:41 pm
by Fu-Kwun Hwang
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Ball Rolling without slipping in a hill
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Fu-Kwun Hwang
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5
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25997
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March 09, 2009, 11:18:14 pm
by Fu-Kwun Hwang
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planet motion for two stars
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Fu-Kwun Hwang
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0
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8087
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November 01, 2008, 10:53:45 pm
by Fu-Kwun Hwang
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Collision between two pendulums
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Fu-Kwun Hwang
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0
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11710
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July 10, 2008, 01:40:43 pm
by Fu-Kwun Hwang
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Pendulum with damping
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Fu-Kwun Hwang
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0
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15021
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June 25, 2008, 01:10:08 pm
by Fu-Kwun Hwang
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How to determined the trajectory of a planetary motion?
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Fu-Kwun Hwang
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0
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8016
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February 14, 2008, 04:19:58 pm
by Fu-Kwun Hwang
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Spring + Pendulum
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Fu-Kwun Hwang
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0
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10917
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January 31, 2008, 11:00:44 pm
by Fu-Kwun Hwang
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motion of Moon, Earth relative to the Sun
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Fu-Kwun Hwang
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2
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21834
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January 10, 2008, 10:53:43 pm
by Fu-Kwun Hwang
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Ball move on top of a curved surface z=a(x^2+y^2)
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Fu-Kwun Hwang
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0
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8487
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November 03, 2007, 05:27:37 pm
by Fu-Kwun Hwang
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BEAD ON ROTATING HOOP
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Fu-Kwun Hwang
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0
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14925
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October 20, 2007, 10:50:13 pm
by Fu-Kwun Hwang
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static equilibrium
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Fu-Kwun Hwang
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0
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8050
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September 30, 2007, 04:38:58 pm
by Fu-Kwun Hwang
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gaussian gun
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Fu-Kwun Hwang
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2
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28120
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September 09, 2007, 04:23:53 pm
by Fu-Kwun Hwang
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Satellite motion
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Fu-Kwun Hwang
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4
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17210
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September 06, 2007, 10:38:35 pm
by Fu-Kwun Hwang
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Oscillations Damped and forced oscillations by Wee Loo Kang
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Fu-Kwun Hwang
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7
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21335
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July 27, 2007, 09:54:35 am
by lookang
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A ball climb up another object on a frictionless surface
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Fu-Kwun Hwang
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2
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12881
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July 23, 2007, 05:57:51 pm
by Fu-Kwun Hwang
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Velocity in the same direction of the friction force!
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Fu-Kwun Hwang
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5
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25009
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July 14, 2007, 08:47:24 am
by Fu-Kwun Hwang
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A bar lean on a frictionless wall
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Fu-Kwun Hwang
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2
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12527
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July 10, 2007, 06:28:01 am
by Fu-Kwun Hwang
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Vertical spring (add gravity)
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Fu-Kwun Hwang
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2
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21659
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July 10, 2007, 05:48:48 am
by Fu-Kwun Hwang
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The leaning ladder
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Fu-Kwun Hwang
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2
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23606
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July 10, 2007, 05:22:35 am
by Fu-Kwun Hwang
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Friction force and motion of the block
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Fu-Kwun Hwang
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3
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14108
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July 10, 2007, 05:14:00 am
by Fu-Kwun Hwang
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Spring force F=-k*x
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Fu-Kwun Hwang
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2
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43619
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July 10, 2007, 05:06:08 am
by Fu-Kwun Hwang
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Two blocks and two springs connected to a wall on a frictionless surface
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Fu-Kwun Hwang
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1
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11726
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July 03, 2007, 08:42:57 am
by lookang
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Normal forces on front and rear tires when car is accelerated!
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Fu-Kwun Hwang
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0
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13768
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March 10, 2007, 06:52:36 pm
by Fu-Kwun Hwang
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Force on front and rear tires are in opposite direction?
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Fu-Kwun Hwang
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0
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9104
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March 10, 2007, 04:22:12 pm
by Fu-Kwun Hwang
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A box released from a frictionless ramp on a horizontal frictionless surface!
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Fu-Kwun Hwang
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0
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14983
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February 25, 2007, 04:23:01 pm
by Fu-Kwun Hwang
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Blocks and center of gravity
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Fu-Kwun Hwang
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0
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12206
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February 25, 2007, 03:37:12 pm
by Fu-Kwun Hwang
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A bead attached to a spring and confined to move along a wire
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Fu-Kwun Hwang
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0
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10830
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February 25, 2007, 02:19:36 pm
by Fu-Kwun Hwang
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A rod supported by two spring on both ends
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Fu-Kwun Hwang
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0
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7494
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February 25, 2007, 01:46:38 pm
by Fu-Kwun Hwang
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Stable equilibrium and location of the center of gravity
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Fu-Kwun Hwang
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0
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12571
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February 25, 2007, 11:55:08 am
by Fu-Kwun Hwang
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Why it is easier to hold a rod at it's center of gravity
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Fu-Kwun Hwang
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0
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9071
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February 25, 2007, 11:48:57 am
by Fu-Kwun Hwang
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Broom balancing
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Fu-Kwun Hwang
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2
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16303
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February 25, 2007, 11:18:52 am
by Fu-Kwun Hwang
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Static equilibrium condition for coaxial wheels
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Fu-Kwun Hwang
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0
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8051
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February 24, 2007, 11:27:44 pm
by Fu-Kwun Hwang
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static equilibrium condition for seesaw
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Fu-Kwun Hwang
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0
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16973
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February 24, 2007, 08:40:11 am
by Fu-Kwun Hwang
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Strange balances
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Fu-Kwun Hwang
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0
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7017
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February 23, 2007, 10:08:19 pm
by Fu-Kwun Hwang
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Acceleration Meter
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Fu-Kwun Hwang
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0
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11812
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February 23, 2007, 08:40:32 pm
by Fu-Kwun Hwang
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Circular Spring Thing
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rhipple
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3
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19167
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May 11, 2006, 03:24:55 am
by rhipple
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N connected spring in vertical direction (with gravity)
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Fu-Kwun Hwang
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0
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12967
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April 27, 2006, 10:31:06 am
by Fu-Kwun Hwang
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Coupled springs
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Fu-Kwun Hwang
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0
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24118
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June 25, 2005, 10:36:53 am
by Fu-Kwun Hwang
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V(t) and a(t) for a block sliding from a hill with a spring
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Fu-Kwun Hwang
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0
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17231
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June 25, 2005, 10:27:09 am
by Fu-Kwun Hwang
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Water eject from a hole in a water tank
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Fu-Kwun Hwang
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0
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24585
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June 25, 2005, 10:22:52 am
by Fu-Kwun Hwang
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How to measure friction coefficient
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Fu-Kwun Hwang
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0
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28836
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June 08, 2005, 09:08:06 am
by Fu-Kwun Hwang
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block moving in horizontal plane (with friction)
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Fu-Kwun Hwang
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0
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23232
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June 08, 2005, 08:31:59 am
by Fu-Kwun Hwang
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particle attached to a spring in a horizontal plane.
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Fu-Kwun Hwang
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0
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14486
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June 07, 2005, 02:56:22 pm
by Fu-Kwun Hwang
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Relations between y/vy/ay for a spring
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Fu-Kwun Hwang
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0
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15540
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May 23, 2005, 07:48:44 am
by Fu-Kwun Hwang
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holding a rod with your hand
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Fu-Kwun Hwang
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0
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13093
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May 12, 2005, 12:45:20 pm
by Fu-Kwun Hwang
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Sum of balanced forces
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Fu-Kwun Hwang
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0
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16098
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May 11, 2005, 10:18:45 am
by Fu-Kwun Hwang
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Atwood machine with massive pulley
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Fu-Kwun Hwang
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0
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26244
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May 11, 2005, 10:10:12 am
by Fu-Kwun Hwang
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Balanced mass
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Fu-Kwun Hwang
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0
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13122
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May 11, 2005, 09:48:16 am
by Fu-Kwun Hwang
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vertical spring in equilibrium (adjustable gravity,spring constant and mass)
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Fu-Kwun Hwang
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2
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10637
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February 07, 2018, 11:07:19 am
by blackjackds
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Lissajous Curve from Y-suspended pendulum
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Fu-Kwun Hwang
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0
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9104
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March 18, 2015, 08:07:56 pm
by Fu-Kwun Hwang
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Ball in bowl
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Fu-Kwun Hwang
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0
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8939
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December 26, 2014, 04:27:02 pm
by Fu-Kwun Hwang
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Projectile Motion
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lookang
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2
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10405
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December 14, 2014, 01:53:52 pm
by zjdyshop
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Buoyancy-submarine control
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Fu-Kwun Hwang
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0
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4318
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November 18, 2014, 08:06:13 am
by Fu-Kwun Hwang
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static force analysis
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Fu-Kwun Hwang
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0
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9076
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November 04, 2013, 07:22:02 am
by Fu-Kwun Hwang
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microscope view of friction force (does not depends on macroscopic area)
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Fu-Kwun Hwang
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1
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9468
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August 09, 2013, 10:01:24 pm
by lookang
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|  |
space shuttle motion with impulse
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Fu-Kwun Hwang
|
1
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7331
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June 17, 2013, 07:46:36 am
by lookang
|
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|  |
Two mass connected with a spring and one mass is drag by constant force F
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Fu-Kwun Hwang
|
0
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10267
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October 17, 2011, 11:03:45 am
by Fu-Kwun Hwang
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|  |
Spring: relation between displacement,velocity,acceleration,force and energy
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Fu-Kwun Hwang
|
2
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22663
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March 17, 2011, 11:26:56 pm
by ahmedelshfie
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3D rotational pendulum also known as Furuta's pendulum by Francisco Esquembre
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lookang
|
2
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15341
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March 10, 2011, 07:04:23 pm
by ahmedelshfie
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Gyroscope Model by Fu-Kwun Hwang
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lookang
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3
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13994
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March 10, 2011, 05:21:08 pm
by ahmedelshfie
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Space shuttle in a circular orbit with a small satellite held above
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Fu-Kwun Hwang
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0
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5985
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March 02, 2011, 09:47:16 pm
by Fu-Kwun Hwang
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Air drag
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Fu-Kwun Hwang
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0
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4424
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February 27, 2011, 01:28:57 pm
by Fu-Kwun Hwang
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relation between Circular motion and Simple Harmonic Motion (SHM)
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Fu-Kwun Hwang
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0
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7629
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February 27, 2011, 10:02:24 am
by Fu-Kwun Hwang
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Spring sets (study effect sue to spring constant and mass)
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Fu-Kwun Hwang
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0
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4832
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January 05, 2011, 05:14:41 pm
by Fu-Kwun Hwang
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Conservation of Angular momentum and 3D circular motion
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Fu-Kwun Hwang
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5
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16748
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July 07, 2010, 06:16:08 pm
by lookang
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Driven pendulum (forced oscillation)
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Fu-Kwun Hwang
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0
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6833
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April 24, 2010, 02:48:14 pm
by Fu-Kwun Hwang
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Two mass (ends) pendulum
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Fu-Kwun Hwang
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0
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6772
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April 10, 2010, 11:08:50 am
by Fu-Kwun Hwang
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Which one will roll down faster?
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Fu-Kwun Hwang
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0
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4034
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March 13, 2010, 11:15:43 pm
by Fu-Kwun Hwang
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Minimum energy problem
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Fu-Kwun Hwang
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0
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4629
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February 22, 2010, 02:36:55 pm
by Fu-Kwun Hwang
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