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- The elastic
force which produces an S.H.M. is conservative. The potential
elastic energy which it carries with it is nil in the centre of the
trajectory and maximum at its limits.
- Kinetic energy in the S.H.M.
continually varies, being maximum in the centre of the trajectory and
nil at the limits.
- Given the conservative
nature of the elastic force, the total mechanical energy of
the body remains constant throughout the whole trajectory.
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