JEE Physics · Medium

Circular Motion: Centrifuge MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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CentrifugeMediumQuestion 30626

Question

In a centrifuge rotating at ω rad/s, a particle at radius r from the axis experiences a centrifugal pseudo force (in rotating frame) of:
  1. A
    mω²r outward
    Correct
  2. B
    mω²r inward
  3. C
    mωr outward
  4. D
    mg outward

Correct answer

mω²r outward

Explanation

In the rotating frame, the centrifugal pseudo force = mω²r directed radially outward.