MHT CET 2025 Physics question

Physics Motion in a Plane MHT CET 2025

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

(A)A person (man) in a train which is slowing down to stop
(B)A person (child) revolving in a merry-go-round
(C)A person (driver) in a bus which is moving with constant velocityCorrect
(D)A person (pilot) in an aeroplane which is taking off

Answer: (C)

Solution

An inertial frame is one that is not accelerating, i.e. it moves with constant velocity (or is at rest) relative to the ground, so that Newton's first law holds in it without pseudo forces. The bus moving with constant velocity has zero

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Question ID VK-101258