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Q: Newton's Laws of Motion ( Answered,   0 Comments )
Subject: Newton's Laws of Motion
Category: Science
Asked by: trunks1054-ga
List Price: $3.50
Posted: 03 Dec 2002 17:58 PST
Expires: 02 Jan 2003 17:58 PST
Question ID: 118780
I want information about Newton's Laws of Motion.
Subject: Re: Newton's Laws of Motion
Answered By: hailstorm-ga on 03 Dec 2002 18:21 PST

Isaac Newton's Three Laws of Motion, first published in 1684, was the
cornerstone of Physics studies for nearly 250 years (before being
usurped by the discoveries of Albert Einstein), and remain to this day
one of the most practical pieces of knowledge in the world.

Simply stated, the three laws are:

1. Every object in a state of uniform motion tends to remain in that
state of motion 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.

The Second Law can also be restated as "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."

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

A detailed explanation of these laws, as well as practical examples
and illustrations on these concepts can be found at


Newton's Three Laws of Motion

Newton's Laws of Motion Tables of Contents

Sir Isaac Newton

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Laws of Motion Newton
Laws of Motion Newton year published
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