A block of mass 0.1 kg is held against a wall by applying a horizontal – McqOptions

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1.	A block of mass 0.1 kg is held against a wall by 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 [IIT 1994]
A.	2.5 N
B.	0.98 N
C.	4.9 N
D.	0.49 N
Answer» C. 4.9 N

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