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a force f is applied at the centre of a disc of mass M.what will be the minimum value of the coeffiecient of friction of surface for rolling?

anirban deb , 10 Years ago
Grade 11
anser 2 Answers
Aziz Alam

Last Activity: 10 Years ago

f-\mu mg=ma Equation corresponding to the forces acting on the disc

\mu mgR=I\alpha Torque equaation about the COM

a=\alpha R Rolling condition

If we solcve these 3 equations,

\mu =(f-\mu mg)/2mg

Aditya tiwari

Last Activity: 6 Years ago

F/3mg.
This answer we by making two equation one of York balance and other of force balance then sustitutesuthe values .you will get the answer and comment on getting answer or on not getting answer 

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