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A plank with a uniform sphere placed on ...

A plank with a uniform sphere placed on it resting on a smooth horizontal plane. Plank is pulled to right by a constant force `F`. If sphere does not slip over the plank. Which of the following is incorrect?

A

Acceleration of the centre of sphere is less than that of the plank

B

Work done by friction acting on the sphere is equal to its total kinetic energy

C

Total kinetic energy of the system is equal to work done by the force F

D

None of the above

Text Solution

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The correct Answer is:
D
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