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Physics

Pushing a wall yield no work, then where is the energy of our hands transferred?

  1. To the environment as friction.
  2. To the wall as friction
  3. To the environment and wall as heat
  4. All of the above

Work, Energy & Power

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Answer

To the environment and wall as heat

Reason — As the wall does not move, the energy supplied by us in pushing it, will be transferred from us to the wall and environment as heat energy.

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