Question

define the term periodic motion. Give two ex of periodic motions that can be used to measure time​

Answer 1

Answer:

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.

Example - ' Pendulum' and ' Tuning Fork'.

Answer 2

Answer:

motion is a movement , vibration,roll round in object is called motion. ex = a rolling ball , vibrate electric charge , car movement etc