JEE Advance - Physics (1994 - No. 1)
A block of mass 0.1 is held against a wall applying a horizontal force of 5 N on the block. If the coefficient of friction between the block and the wall is 0.5, the magnitude of the frictional force acting on the block is:
2.5 N
0.98 N
4.9 N
0.49 N