Question

· A coolie is moving on a road with a luggage on
his head. Does he perform work against the
force of gravity? Give reason for your answer.
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Answer 1

Answer:

if he is moving then yes but he is standing on one place then no

Answer 2

No because it is not moving away from the earth and the earth gravity is pull toward the center of the earth and he is also walk on the earth ,if he was in the rocket than he was opposing the gravity and the force are in the same direction bot I opposite direction so ,it is not opposing the gravity

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