What is Inertial & Non-Inertial Reference frame ?

Ans: Inertial Reference Frame: A reference frame in which Newton’s first law is valid is called an inertial reference frame. An inertial frame is either at rest or moving with uniform velocity.

Non-Inertial Frame: An accelerated frame of reference is called a non-inertial frame. Objects in non-inertial frames do not obey Newton’s first law.

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