Question

A uniform disc of mass m and radius R is rolling down a rough inclined plane which makes an angle 30 with the horizontal. If the. Cofficent of static and kinetic friction are each equal to u and the only forces, acting are gravitational and frictional, then the magnitude if the frictional force acting on the disc is A)mg/3 upward B)mg/3 downward C)mg/6 up D)mg/6 down

Answer 1

Answer:

42

Explanation:

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