How much work is done by a man who tries to push the wall of a house but fails to do so?

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Solution

Work:
When a force makes an object move through some displacement along the direction of the force, work is said to be done.
When a man tries to push the wall of a house but fails to do so then the displacement of the body is zero so the work done by him is also zero.

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How much work is done by a man who tries to push the wall of a house but fails to do so?

Work:When a force makes an object move through some displacement along the direction of the force, work is said to be done.When a man tries to push the wall of a house but fails to do so then the displacement of the body is zero so the work done by him is also zero.

Work:
When a force makes an object move through some displacement along the direction of the force, work is said to be done.
When a man tries to push the wall of a house but fails to do so then the displacement of the body is zero so the work done by him is also zero.