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Questions  

A block of mass m is at rest on an inclined plane which is making angle θ with the horizontal. The coefficient of friction between the block and plane is  μ. Then, frictional force acting between the surfaces is 

a
μ mg
b
μ  mg sin θ
c
μ (mg sin θ - mg cos θ)
d
mg sin θ

detailed solution

Correct option is D

The block of mass m is at rest on an inclined plane. Hence, frictional force acting between the surfaces isf=mgsinθ

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