Question

Inertial and Non-inertial frames​

Answer 1

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➮A non-inertial frame of reference is a frame of reference in which Newton’s laws of motion do not hold.

➮A non-inertial reference frame is a frame of reference that is undergoing acceleration with respect to an inertial frame. An accelerometer at rest in a non-inertial frame will, in general, detect a non-zero acceleration.

➮A frame of reference where Newton’s Laws hold is known as an inertial frame of reference.

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Answer 2

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• A non-inertial reference frame is a frame of reference that is undergoing acceleration with respect to an inertial frame.
• An accelerometer at rest in a non-inertial frame will, in general, detect a non-zero acceleration.

Inertial frames

An inertial frame of reference in classical physics and special relativity possesses the property that in this frame of reference a body with zero net force acting upon it does not accelerate; that is, such a body is at rest or moving at a constant velocity.

non-inertial frame

A non-inertial reference frame is a frame of reference that is undergoing acceleration with respect to an inertial frame. An accelerometer at rest in a non-inertial frame will, in general, detect a non-zero acceleration.