A uniform sphere is placed on a smooth horizontal surface and a horizontal force F is applied on it

Monjur Alahi

A uniform sphere is placed on a smooth horizontal surface and a horizontal force F is applied on it at a distance h above the surface. The acceleration of the centre
(a) is maximum when h = 0
(b) is maximum when h = R
(c) is maximum when h = 2R
(d) is independent of h.


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Salim Ahmed Kawsar

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(d) is independent of h.

Explanation: 

Since the surface is smooth, no other force is there along the force and the sphere will slide with an acceleration =F/m which is independent of h.

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