Question

motion of which of the following is not periodic

Answer 1

Explanation:

Swinging of a pendulum, hands of a clock and rotation of the earth are all periodic motions having a definite and equal length of time interval. It is the flying kite which has no periodic motion.

Answer 2

(a) beating of a drum

(b) revolution of moon around the earth

(c) rotation of the earth around its axis

(d) movement of pendulum

ANSWER:

(a) beating of a drum.