Question

Explain why there is no work done when we push a wall

Answer 1

Hey mate your answer.

While pushing the wall there is no work done as displacement is zero, but there will be heat output.

Answer 2

Answer:

Explain why no work is done when a man tries to push a wall?

Explanation:

Even though the man exerts force on the wall , the wall does not move. Work done = force applied * displacement and since the displacement of the wall is zero. , work done is also zero. Even though the man exerts force on the wall , the wall does not move.