Question #61017

1 Answer
Cosmic Defect
Dec 1, 2017

The displacement in SHM is symmetric about the equilibrium (zero acceleration) position. So the mean position corresponds to equilibrium position(zero acceleration).

Explanation:

Motion is termed Simple Harmonic if the force is proportional to the displacement. Since the displacement in simple harmonic motions are symmetric about the equilibrium (zero acceleration) position, the mean position correspond to null displacement. So the restoring force at this position is zero and so is the acceleration.

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