Question

If a body of mass 10kg is pushed horizontally by a horizontal force of 5 newton, then the work done by gravity is

Answer 1

AS THERE IS NO CHANGE IN HEIGHT OF OBJECT AND IT IS JUST MOVED HORIZONTALLY THERE IS NO DISPLACEMENT DUE TO GRAVITY THUS WORK DONE BY GRAVTY= 0 J

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Answer 2

Explanation:

Given that,

Mass of a body, m = 10 kg

Horizontal force acting on the body, F = 5 N

To find,

The work done by gravity.

Solution,

For a body to do work, it must have force acting on it and it must move some displacement. Mathematical formula is given by :

$W=Fd\cos\theta$

F is force

d is displacement

The force and displacement on the body is in horizontal direction. It is clear that there is no force and displacement in vertical direction. As a result, no work is done by gravity.

Learn more,

Work done

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