Answers

2014-03-13T10:51:15+05:30
No, It isn't.
Revolution of moon is not a to and fro motion. Its acceleration at any point is not directly proportional to negative of displacement.
It is a periodic motion as the moon rotates once in equal periods of time
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2014-03-13T14:41:52+05:30
No ..not a simple harmonic motion...perfodic harmonic motion
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