Question

An object is thrown at a certain angle to the ground moves in a circular path and fall back on the ground

Answer 1

The work done is 0 as the Initial and final point are on the same path so the height is 0.

W= M× G× H

W= M× G×0

W= 0

Answer 2

Answer:

Since the body returns to a point which is on the same horizontal lines through the point of projection , no displacement has taken place ..

No work is done by force due to gravity