Question

what is the amount of work done on a body of mass 10 g moving in a circular paths of radius 5 cm


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Answer 1

Answer:

work done here will be zero because the displacement here becomes zero as the body moves in a uniform circular motion ..around a circular path....if it would hv moved half of the circle then there would hv been displacement which would hv led to some work done..btt.here it covers the whole circle therefore the body comes back to its initial position which causes displacement to be zero and hence when displacement is zero thus,work done is also zero

Answer 2

Explanation:

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.