A pendulum of length L is suspended from the ceiling of an elevator. When the elevator is at rest the period of the pendulum is T. How does the period of the pendulum change when the elevator moves downward with constant acceleration?
A) The period does not change.
B) The period increases.
C) The period decreases.
D) The period becomes zero.
E) The period decreases if the downward acceleration is more than g/2 but increases if the downward acceleration is less than g/2.

Question

Quizplus · Accepted Answer

When the elevator moves downward with constant acceleration, the effective gravitational acceleration decreases, leading to an increase in the period of the pendulum.

A Pendulum of Length L Is Suspended from the Ceiling