NTNUJAVA Virtual Physics Laboratory
Enjoy the fun of physics with simulations!
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Author Topic: Spring: relation between displacement,velocity,acceleration,force and energy  (Read 12718 times)
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Fu-Kwun Hwang
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on: March 17, 2011, 09:37:16 pm » posted from:Taipei,T\'ai-pei,Taiwan

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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Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
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Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!


* dynamic_springxvaH.gif (2.26 KB, 608x250 - viewed 179 times.)
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lookang
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Reply #1 on: March 17, 2011, 09:55:34 pm » posted from:Singapore,,Singapore

nice applet above. Cheesy
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
http://colabopad.blogspot.com/2011/03/public-release-of-simupad.html
Demos: http://colabopad.blogspot.com/2011/03/public-release-of-simupad.html
Product Tour for Users: http://www.youtube.com/watch?v=PhZcIMvejVA
Product Tour for developers: http://www.youtube.com/watch?v=wma9MU2e_U0
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
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Reply #2 on: March 17, 2011, 11:26:56 pm » posted from:Uberaba,Minas Gerais,Brazil

I like, different design with a good idea about SHM, nice work prof.
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"If I have a thousand ideas and only one turns out to be good, I am satisfied." ..."Alfred Nobel(1833-1896, Swedish inventor, chemist, philanthropist)"
 
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