A body is moving in a constant state of motion on rolling on ground
A)Friction is acting in the same direction
B)Friction is absent
C)Friction is greater
D)All of these

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Solution

Since the body is moving in a constant state of motion, there is no opposing force acted on the body

So, fricition is absent

Answer (B)

If at all there is friction the body should reduce its state of motion as fricition acts as an opposing force to motion which is not happening in this case.

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Similar questions

Read each statement below carefully, and state, with reasons, if it is true or false;

(a) During rolling, the force of friction acts in the same direction as the direction of motion of the CM of the body.

(b) The instantaneous speed of the point of contact during rolling is zero.

(d) For perfect rolling motion, work done against friction is zero.

(e) A wheel moving down a perfectly frictionless inclined plane will undergo slipping (not rolling) motion.

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