Question

Potential energy of a body (executing SHM) at mean position
Is always zero
Is always non-zero
May be non-zero
None of these​

Answer 1

you need to understand that it is only the difference in potential energy between two positions that is defined and is measurable

absolute measure of potential energy is not even defined

in the case of SHM, we set the zero of potential energy at the mean position

you may assign any other value to it here but you will have to announce it to your audience

Answer 2

Answer:

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