Q.

Which of the following is an example of simple harmonic motion?

A. Earth spinning on its axis
B. Simple pendulum motion
C. Bali bouncing on floor
D. Motion of a ceiling fan
Answer» B. Simple pendulum motion
Explanation: When a body moves about a mean position in such a way that the acceleration is proportional to the displacement and is always directed towards the mean position, the body is said to execute a simple harmonic motion. The motion of a simple pendulum falls under this category.
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