Question

A small body of mass m is attached to a string of length L. It is rotated by a boy with uniform speed horizontally.

Find the torque applied by the boy on the mass​

Answer 1

Answer:

The stone is moving with a uniform speed.

(ii) Yes, the stone is moving with uniform acceleration. The acceleration acts along the tangent drawn at that point of the circle.

(iii) Centrifugal force acts on the hand and it is acting away from the centre of the circular path.

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