Question

Which type of motion is executed by simple pendulum?

(A) Rotatory motion
(B) Rectilinear motion
(C) Circular motion
(D) Periodic motion [1 Mark]

Answer 1

The motion of an object that repeats itself after regular intervals of time is called periodic motion.
The motion of simple pendulum is an example of periodic motion.

Hence option D is correct.
[1 Mark]