A. Increasing the mass of the bob
B. Decreasing the mass of the bob
C. Increasing the length of the string
D. Decreasing the length of the string
E. Increasing the amplitude of oscillation
Correct Answer:
Option C – Increasing the length of the string
Explanation
The swing rate of a pendulum is determined by its length. The longer the pendulum, the slower the pendulum swings and vice-versa.