Question

A simple pendulum takes 32 s to complete 20 oscillations.
(a) What is the time period of the pendulum? [1 mark]
(b) What type of motion does the pendulum undergo? [1 mark]

Answer 1

(a) The time period of a pendulum is the time taken by it to complete one oscillation.
Therefore, time period = $\frac{32}{20}$ = 1.6 s
(1 mark)

(b) The pendulum undergoes oscillatory and periodic motion.
(1 mark)