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Newtons law of gravitation

Newton's law of gravitation

A Dictionary of Astronomy | 1997 | Copyright

Newton's law of gravitation The law put forward by I.Newton in 1687 which states that any two bodies attract each other with a force that depends on the product of their masses divided by the square of the distance between them. Put mathematically, the gravitational force of attraction, F, between two masses m1 and m2, separated by distance r, is given by F = Gm1 m2/r2, where G is a constant known as the gravitational constant. See also gravitation.
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"Newton's law of gravitation." A Dictionary of Astronomy. 1997. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

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Newton's law of gravitation

A Dictionary of Earth Sciences | 1999 | | Copyright

Newton's law of gravitation See GRAVITATIONAL ACCELERATION.
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AILSA ALLABY and MICHAEL ALLABY. "Newton's law of gravitation." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Newton's law of gravitation." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O13-Newtonslawofgravitation.html

AILSA ALLABY and MICHAEL ALLABY. "Newton's law of gravitation." A Dictionary of Earth Sciences. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Newtonslawofgravitation.html

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