Question

Define the term 'periodic motion'. Give two examples of periodic motions that can be used to measure time.​

Answer 1

Answer:

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: ... Two examples are ' Pendulum' and ' Tuning Fork'. Both of these can be used to measure time.

Answer 2

Answer:

Periodic motion is repeated action or frequency in to and fro motion .

Explanation:

Ex- pendulum clock and tuning fork .