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Cjjb Gh
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I don't quite understand the the friction force in contact force library. friction force in a product of the coefficient of the friction times the Normal force. If the ball purely rolls, the velocity at point of contact is zero. Then,no friction

Asked by Cjjb Gh
on 10 Apr 2017
Latest activity Edited by David Goodmanson on 13 Apr 2017
I mean if the fricton actuate the motion.there would be some problems using the model

  1 Comment

I can't comment on the contact force library but certainly you can have frictional force with no relative velocity between the two objects at the contact point or contact surface. When an initially stationary ball rolls down an inclined plane without slipping, the frictional force is what causes it to rotate.

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