Question
Thu November 08, 2012 By:
 

Is period motion is simple harmonic motion and simple harmonic motion is periodic motion?

Expert Reply
Thu November 08, 2012
A periodic motion is one in which particle or object retraces its path after a definite period of time. In periodic motion particle retraces its path only once in one time period.
whereas simple harmonic motion is one in which particle retraces its path after a definite period of time but it to and fro about a mean point in its path and we can say completes its path twice in a single period of time.
so, we can say that every simple harmonic motion is a periodic one but all periodic motions are not simple harmonic ones.
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