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IIT-JEE 2006
MCQ (More than One Correct Answer)
+3
-1

A solid cylinder of mass m and radius $r$ is rolling on rough inclined plane of inclination $\theta$. The coefficient of friction between the cylinder and incline is $\mu$. then

A

frictional force is always $\mu \mathrm{mg} \cos \theta$.

B

friction is a dissipative force.

C

by decreasing $\theta$, frictional force decreases.

D

friction opposes translation and supports rotation.

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