A Pendulum of Length L Is Suspended from the Ceiling

question 66

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 upward with constant velocity?

• 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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Definitions:

Flexibility

Easily bent, compliant, yielding to persuasion.

Motivated

Having a strong reason to act or accomplish something; driven by certain goals or desires.

Takes Initiative

The act of taking the first step or move in a process without being asked or told to, often showing leadership or the willingness to begin tasks independently.