solid cylinder of mass m and radius r is rolling on a rough inclined p – McqOptions

MCQOPTIONS

1.	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___.
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.
Answer» E.

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