NEET 2002 Physics question
A solid sphere of radius R is placed on smooth horizontal surface. A horizontal force 'F' is applied at height 'h' from the lowest point. For the maximum, acceleration of centre of mass, which is correct :
Answer: (4)
Solution
The surface is smooth, so there is no friction. The only horizontal external force is , hence by Newton's second law for the centre of mass , whatever the point of application. The height only decides the torque about
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