A block of mass m is placed over a plank of m M M m which

Last updated: 6/12/2023

A block of mass m is placed over a plank of m M M m which rests on a smooth inclined plane as shown in figure If the coefficient of friction between the plank and the block is u and the system is released from rest then the frictional force applied by the plank on the block M 0 1 Is up the inclined plane 2 Is down the inclined plane 3 Is zero