Question

2. The work done by the force of gravity on a child walking horizontally with a bag in his hand is.........​

Answer 1

Answer:

No work, as understood in this context, is done unless the object is displaced in some way and there is a component of the force along the path over which the object is moved. Holding a heavy object stationary does not transfer energy to it, because there is no displacement.

Explanation:

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