Show that the total energy of a body moving with S.H.M. is conserved.

Why S.H.M. so called?

State if each of the following statements is true or false. Give reasons for your answer:- In an elastic collision of two bodies, the momentum and energy of each body is conserved.

The total energy of the particle performing SHM depends on

Show that the electric field due to a point charge is conservative?

Draw time-displacement curve for a body moving in S.H.M.

Show that sum of P.E. and k.E. of a freely falling body is conserved.

Derive expressions for kinetic energy and potential energy of a simple harmonic oscillator. Show that the total energy is constant. In which position of the oscillator is the energy totally kinetic.