Re: Newtonian Motion


A simple game of pool demonstrates Newton's Laws of Motion:

1. Every object in a state of uniform motion tends to remain in that state of motion and every object at rest tends to remain at rest unless an external force is applied to it.

2. The relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors (as indicated by their symbols being displayed in slant bold font); in this law the direction of the force vector is the same as the direction of the acceleration vector.

3. For every action there is an equal and opposite reaction.

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