Question

what is inertial frame​

Answer 1

Explanation:

An inertial frame of reference is a frame that is moving at a constant velocity.

This means that the acceleration of the frame of reference is zero.

Answer 2

Explanation:

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.