A Pendulum of Length L Is Suspended from the Ceiling

question 222

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 acceleration?

• A) The period does not change.
• B) The period becomes zero.
• C) The period decreases.
• D) The period increases.
• E) The period increases if the upward acceleration is more than g/2 but decreases if the upward acceleration is less than g/2.

---

Definitions:

Defenses

Psychological strategies brought into play by individuals or the ego to protect against feelings of anxiety or unacceptable thoughts and feelings.

Defense Mechanism

Psychological strategies used unconsciously to protect oneself from anxiety or uncomfortable thoughts and feelings.

Repression

A defense mechanism where uncomfortable thoughts, memories, or urges are unconsciously pushed out of conscious awareness.

Subception

A psychological phenomenon where an individual responds to stimuli subconsciously without being consciously aware of the stimuli.