Answer :

Final answer:

Newton's first law of motion, also known as the law of inertia, explains the behavior of objects at rest or in motion unless acted upon by an external force.


Explanation:

Newton's first law of motion, also known as the law of inertia, states that a body at rest remains at rest, or, if in motion, remains in motion at a constant velocity unless acted on by a net external force. This law is a fundamental concept in physics that explains the natural tendency of objects to maintain their state of motion.


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