A body of mass 'm' is rotated by means of a string along a verticle of radius 'r' with constant speed .The difference in tension when the body is at the bottom and at the top of the verticle circle is

A body of mass 'm' is rotated by means of a string along a vertical circle of radius 'r' with constant speed. The difference in tensions when the body is at the bottom and at the top of the vertical circle is

A body is mass m is rotating in a vertical circle of radius 'r' with critical speed. The difference in its K.E at the top and at the bottom is

A body is mass m is rotating in a vertical circle of radius 'r' with critical speed. The difference in its K.E at the top and at the bottom is

A paricle of mass 2 kg is rotating by means of a string in a verticle circle. The difference in the tensions at the bottom and the top would be

A paricle of mass 2 kg is rotating by means of a string in a verticle circle. The difference in the tensions at the bottom and the top would be

A body of mass m is rotating in a verticle circle of diameter '2r' with critical speed. The difference in its kinetic energy at the highest and lowest points on the verticle circle is

A particle of mass m is rotating by means of a string in a vertical circle . The difference in tension at the top and the bottom revolution is