Question

Clocks and watches which are used for measuring time are based on the principle of periodic motion. The pendulum clock used for measuring time is based on the periodic motion of a pendulum.​

Answer 1

Answer:

Any object that is moving is said to be in motion. In order to measure time, we need a motion that repeats itself in equal intervals. Such a motion is called periodic motion.

Explanation:

Hope this answer will help u !!!

Mark my answer as brainliest answer