Question

Give any 2 examples of periodic motion to measure time.

Answer 1

The two instances of periodic motion that is effective in measuring time are first, the rotation of the earth about its axis which takes twenty hours to finish and second, the revolution of the earth around the sun which takes three hundred and sixty-five days to finish.

Answer 2

Answer:

wait let me help you

Explanation:

The two examples of periodic motion that can be used to measure time are :-

i. Hands of a clock

ii. Pendulum

There are many more like :-

Tunning fork,Water clock ,Hour glass ( It is also known as Sand clock ) etc etc