Question

Define Periodic Motion.
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Answer 1

Explanation:

Periodic motion, in physics, motion repeated in equal intervals of time. Periodic motion is performed, for example, by a rocking chair, a bouncing ball, a vibrating tuning fork, a swing in motion, the Earth in its orbit around the Sun, and a water wave.

Answer 2

Periodic motion is the motion that repeats itself in equal intervals of time.

For eg. Pendulum bob.