Laws of MotionHard

Question

A block of mass 0.1 kg is held aganist a wall applying force of 5N  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:-

Options

A.2.5 N
B.0.98 N
C.4.9 N
D.0.49 N

Solution

∵ Block is stationary so f = 0.98 N

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