Question

When an object moves on a circular track. When will be it's work done .

Answer 1

an object moves on a circular track when eating one round on circular track then only it work will done

Answer 2

The work done on a body moving in a circular path is also zero. This is because, when a body moves in a circular path, then the centripetal force acts along the radius of the circle, and it is at right angles to the motion of the body. Thus, the work done in the case of moon moving round the earth is also zero.

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