Rotational MotionMedium
Question
A solid cylinder of mass m and radius r is rolling on a rough inclined plane of inclination θ. The coefficient of friction between the cylinder and incline is μ. Then
Options
A.frictional force is always μmg cos θ
B.friction is a dissipative force
C.by decreasing θ, frictional force decreases
D.friction opposes translation and supports rotation.
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