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Sunday, January 29, 2012

Newton's Laws Summary

Isaac Newton (1642-1727). Credit: Wikipedia
Newton's Laws:
I. Every object in a state of uniform motion or at rest (FR = 0) tends to remain in that state of motion unless an external force is applied to it (FR≠0).

II. The relationship between an object's mass m, its acceleration a, and the applied force F is F = m a. 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. The expression brings the relation between dynamics and kinematics.
III. For every action there is an equal and opposite reaction.

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