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By PiThagoras

Tags: Newton, Gravity, Gravitation, Law, Force, Mass,...

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Posted: 2013-03-13
Law of Universal Gravitation
Law of Universal Gravitation
$$F = G \; {m_1 m_2 \over r^2}$$

Newton's law of universal gravitation states that every point mass attracts every single other point mass by a force pointing along the line intersecting both points. The force is proportional to the product of the two masses and inversely proportional to the square of the distance between them.

$F$ = the force between the masses $G$ = the gravitational constant $m1$= the first mass $m2$ = the second mass $r$ = distance between the centres of the masses.