Question

All periodic motions are not oscillatory. Justify with more than one example,
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Answer 1

Answer:

EVery Iscillatory motion is periodic but every periodic motion is not oscillatory, justify. Answer: ... Eg: On being pulled and then released, a load attached to a spring executes oscillatory motion. On the other hand, all periodic motions may not be oscillatory.

Answer 2

Explanation:

All oscillatory motions are periodic because each oscillations gets completed in a definite interval of time. ... Eg: Revolution of planets around the Sun is a periodic motion but not an oscillatory motion (i.e. no to and fro motion about its mean position is present)