Newtons Laws Of Motion




Newtons Laws of motions

First Law of motion

an object either remains at rest

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or continues to move at a constant velocity, unless acted upon by a force

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Second law

In an inertial frame of reference, the vector sum of the forces F on an object is equal to the mass m of that object multiplied by the acceleration a of the object: F = ma. (It is assumed here that the mass m is constant – see below.)




Third law 

When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body.

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