Question

"Every SHM is periodic motion but every periodic motion need not be SHM."
(a) State whether the statement is true or false. Justify your answer with an example.
(b) What do you mean by seconds pendulum ?
(c) What will be the period of oscillation, if the length of a seconds pendulum is
halved ?
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Answer 1

Answer:

Every SHM is periodic motion but every periodic motion need not be SHM. F= -kx is to be satisfied and this not possible always. But every SHM is periodic because like any other periodic motion (that repeats after a fixed interval of time) in SHM Also body repeats its path after a fixed tim