A Pendulum of Length L Is Suspended from the Ceiling

question 60

Multiple Choice

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 increases if the upward acceleration is more than g/2 but decreases if the upward acceleration is less than g/2.

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