Q. 125.0( 1 Vote )

The rotation of earth about its axis is
A. periodic motion.

B. simple harmonic motion.

C. periodic but not simple harmonic motion.

D. non-periodic motion.

Answer :

Earth completes one rotation around its axis in 24 hrs and thus has a periodic motion but does not move to and fro about a mean position, thus, it does not have SHM.

Thus, option (a) and (c) are correct options.

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