Intro to Mechanics
An inertial frame is a reference frame in which an object either remains at rest or moves at a constant velocity unless acted upon by a net external force. This concept is crucial for understanding how forces affect motion, and it serves as the basis for Newton's First Law of Motion, which states that an object will maintain its state of motion in the absence of a net force. Inertial frames can be considered as non-accelerating reference frames where the laws of physics are uniform and predictable.
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