Question

Define the term periodic motion .give two examples of periodic motion that can be used to measure time. In short

Answer 1

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. ... Simple harmonic motion is a special case of periodic motion.