Classical mechanics problem

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A cord is wrapped around the inner drum of a wheel and pulled horizontally with a force of 200N. The wheel has a mass of 50 kg and a radius of gyration of 0.07 m. Let ms = 0.20 and mk = 0.15.
(a) Determine the friction force, F at the wheel ground contact point assuming that the wheel rolls without
slipping.
(b) Compare the friction force F found in (a) to Fmax and comment with respect to the rolling without slipping assumption

[PLAIN]http://img194.imageshack.us/img194/7377/ms2la.jpg [Broken]
 
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kuruman
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Hi kareem_3d and welcome to PF. Please follow the rules of this forum and use the template when you seek help with homework. Show us the relevant equations and tell us what you tried and what you think about the problem. We just don't give answers away.
 

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