$The fig above shows a block of mass m sliding down a rough inclined plane QP at angle $ \theta $ . The forces acting on the block along QP are$

The fig above shows a block of mass m sliding down a rough inclined plane QP at angle $ \theta $ . The forces acting on the block along QP are

A.

mg sinθ and the normal reaction

B.

mg sinθ and the force of friction

C.

mg sinθ and the normal reaction

D.

mg cosθ and the normal reaction

Correct answer is B

No explanation has been provided for this answer.

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The fig above shows a block of mass m sliding down a rough inclined plane QP at angle \( \theta \) . The forces acting on the block along QP are