question_answer

Consider a cylinder of mass M resting on a rough horizontal rug that is pulled out from under it with acceleration ‘a’ perpendicular to the axis of the cylinder. What is Ffriction at point P? It is assumed that the cylinder does not slip.

[JEE ONLINE 19-04-2014]

A)   Ma                 

B)        Ma

C)   \[\frac{Ma}{2}\]                      

D)        \[\frac{Ma}{3}\]

Correct Answer: D

Solution :

[d] Force of friction at point P, friction