Question

Give two examples of periodic motions that can be used to measure time

Answer 1

a clock and 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

Example: Rocking chair,Tuning fork