A block just begins to slide down a rough incline when the angle of the plane with…

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A block just begins to slide down a rough incline when the angle of the plane with the horizontal is

\theta

. The coefficient of static friction

\mu_s

between the block and the plane is (a)

\cot\theta

(b)

\tan\theta

(c)

\sin\theta

(d)

\tan\!\left(\dfrac{\theta}{2}\right)