WAEC - Physics (1992 - No. 8)
Which of the following will reduce the frequency of oscillation of a simple pendulum?
Increasing the mass of the bob
Decreasing the mass of the bob
Increasing the length of the string
Decreasing the length of the string
Increasing the amplitude of oscillation
Giải thích
The swing rate of a pendulum is determined by its length. The longer the pendulum, the slower the pendulum swings and vice-versa.