What is Newton's first law of motion?

Newton's first law of motion, also known as the law of inertia, states that an object at rest will remain at rest, and an object in motion will continue moving at a constant velocity, unless acted upon by an external force. Essentially, this law emphasizes the concept of inertia, which is the tendency of an object to resist changes in its motion. In simpler terms, objects tend to keep doing what they are already doing until something makes them stop or change direction. This law is fundamental in understanding the behavior of objects in the absence of external forces and serves as the basis for understanding other laws of motion formulated by Sir Isaac Newton.

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