

MCQOPTIONS
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1. |
A olid 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. | |