Question

a body performs no work.does it imply that the body possesses no energy?explain with an example


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Answer 1

Answer:

when a body performes no work energy possesses

when a person act on a wall there is no work done by him but energy is used by him

Answer 2

Even though a body does no work but it possesses energy

We know, E=mc² which is called the mass energy equivalence

For rest mass that is

M⁰,The energy it possesses is m⁰c²/root(1-v²/c²)