Which of the following person is in an inertial frame of reference? (a) A pilot in an aeroplane which is taking off. (b) A driver driving a bus which is moving with constant velocity. (c) A child revolving in a merry - go - round. (d) A man in a train which is slowing down to stop.

Answer: (b). An inertial frame is one that is not accelerating. Take-off, circular motion and slowing down all involve acceleration. A bus moving with constant velocity has zero acceleration. So the answer is (b).

Which of the following person is in an inertial frame of reference? | MHT CET 2026 (19 Apr, Shift 1)

Q1MHT CET 2026 · 19 APR · SHIFT 1Easy

Equilibrium, Third Law & Frames

Which of the following person is in an inertial frame of reference?

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Answer: (b)

An inertial frame is one that is not accelerating.
Take-off, circular motion and slowing down all involve acceleration.
A bus moving with constant velocity has zero acceleration.
So the answer is (b).

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