question_answer

A simple harmonic oscillator oscillates, with an amplitude A. At what point of its motion, is the power delivered to it by the restoring force maximum?

A)  When it is at a displacement\[\pm \frac{A}{\sqrt{2}}\]from the equilibrium point and moving towards the equilibrium point

B)  When it is at the maximum displacement

C)  When it passes through the equilibrium point, either way

D)  When it is at a displacement\[\pm \frac{A}{\sqrt{2}}\]from the equilibrium point and moving away from the equilibrium point