NTNUJAVA Virtual Physics LaboratoryEnjoy the fun of physics with simulations! Backup site http://enjoy.phy.ntnu.edu.tw/ntnujava/
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 Author Topic: Spring: relation between displacement,velocity,acceleration,force and energy  (Read 26644 times) 0 Members and 1 Guest are viewing this topic. Click to toggle author information(expand message area).
Fu-Kwun Hwang
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 « Embed this message on: March 17, 2011, 09:37:16 pm »

The following simulation show relations between displacement($x$), velocity($v_x$), acceleration ($a_x=-k*x/m$),force($F_x=-k*x$), kinetic energy($K=\tfrac{1}{2}m*v_x^2$) and potential energy($U(x)=\tfrac{1}{2}k*x^2$)

Drag the blue object at one end of the spring and let go.

Drag force is added. 2011/03/18 $F=-k*x-b*v_x$

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• Please feel free to post your ideas about how to use the simulation for better teaching and learning.
• Post questions to be asked to help students to think, to explore.
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Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!
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lookang
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http://weelookang.blogspot.com

 « Embed this message Reply #1 on: March 17, 2011, 09:55:34 pm »

nice applet above.
Like the speed controller on the right slider allow for speedy exploration by students
Like the Drag the blue object at one end of the spring and let go, clear instruction on what the applet can do.

just to share i also have one similar
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=758.msg2870#msg2870

animated gif found here http://weelookang.blogspot.com/2010/06/ejs-open-source-simple-harmonic-motion.html

Ejs open source simple harmonic motion java applet SHM virtual lab
customized to my style and teaching needs

btw some guy (founder of PhyzixLabs Software (www.phyzixlabs.com)) introduce this to me
It is free for programmers like yourself, so feel free to experiment.
 « Last Edit: March 17, 2011, 10:14:34 pm by lookang » Logged
ahmedelshfie
Ahmed
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 « Embed this message Reply #2 on: March 17, 2011, 11:26:56 pm »

I like, different design with a good idea about SHM, nice work prof.
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"Make priority, take action and start now." ...Wisdom