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Question 5444
NEET Physics · Hard

Laws of Motion: Pseudo Force & Non-Inertial Frames MCQ

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Pseudo Force & Non-Inertial FramesHardQuestion 5444

Question

A person stands on a scale in an elevator. The scale reads zero when:
  1. A
    Elevator is at rest
  2. B
    Elevator moves up at constant speed
  3. C
    Elevator is in free fall
    Correct
  4. D
    Elevator accelerates upward

Correct answer

Elevator is in free fall

Explanation

In free fall, apparent weight = m(g−g) = 0. The scale reads zero — this is weightlessness.

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