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  • A sphere S rolls without slipping, moving with a constant speed on a planck P. The friction between the upper surface of P and sphere is sufficient to prevent sliding, while the lower surface of P

A sphere S rolls without slipping, moving with a constant speed on a planck P. The friction between the upper surface of P and sphere is sufficient to prevent sliding, while the lower surface of P is smooth and rests on the ground. Initially, P is fixed to the ground by a pin T. If T is suddenly removed, then 

 

Option: 1

there will be no change in the motion of S and P will be at rest


Option: 2

P will begin to move backwards


Option: 3

S will begin to slip on P


Option: 4

The speed of S will decrease and its angular velocity will increase


Answers (1)

best_answer

As the sphere, is rolling there will be no friction on the point of contact. So after the removal of the pin, the Planck will not move.

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