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Newton's First Law: Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it. |
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Newton's Second Law: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object. The relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors. In this law the direction of the force vector is the same as the direction of the acceleration vector. |
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Newton's Third Law: For every action there is an equal and opposite reaction. |
