Physics - NLM Question with Solution | TestHub

An inertial frame is defined as a frame in which Newton's first law of motion holds - a body with no net force on it moves with constant velocity.

Frames defined relative to the Earth or Sun (options A, B) are only approximately inertial, and mere non-rotation (C) is not the definition (a non-rotating frame can still accelerate linearly).

Correct option: (D).