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Author Topic: Normal force and Friction force  (Read 18811 times)
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Fu-Kwun Hwang
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on: April 20, 2009, 11:32:17 am » posted from:Taipei,T\'ai-pei,Taiwan

This applet illustrate relation between normal force and friction force.
You can change the angle θ to find out how normal force/friction force varies with angle.

Normal force N= m*g*cosθ
If  m*g*sin< μ N , friction force f=m*g*sinθ
otherwise  friction force f=μ N = μ*m*g*cosθ
where μ is static friction coefficient.
μ N is the maximum static friction force when the normal force equal N.

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* smf_normalforcefriction.gif (2.98 KB, 393x374 - viewed 425 times.)
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lookang
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Reply #1 on: December 01, 2010, 07:36:50 am » posted from:SINGAPORE,SINGAPORE,SINGAPORE

found this
http://pen.physik.uni-kl.de/w_jodl/MPTL/MPTL10/contributions/milazzo/A_new_Applet_Java_about_frictional_force.pdf

but their 2 friction applets didn't load in my browser properly, their others applets are okay.
http://www.fis.unical.it/~milazzo/Attrito/appletA.htm
http://www.fis.unical.it/~milazzo/Attrito/appletB.htm
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"It is not the strongest of the species that survive, but the one most responsive to change." ..."Darwin(1809-1882, English naturalist Evolution)"
 
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