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inverse-square law

   Also found in: Medical, Legal, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
inverse-square law
The principle in physics that the effect of certain forces on an object varies by the inverse square of the distance between the object and the source of the force. The magnitude of light, sound, and gravity obey this law, as do other quantities. For example, an object placed three feet away from a light source will receive only one ninth ( 1/32 , the inverse of 3 squared) as much illumination as an object placed one foot from the light.


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? Mentioned in ? References in periodicals archive
 
For example, the observed behavior of the Earth revolving around the sun can be perfectly explained if the sun has a net positive charge and the planets have a net negative charge, since opposite charges attract and the force is an inverse-square law, exactly like the increasingly discredited theory of gravity.
Warning: gravity is only a theory by Schempp, Ellery / The Humanist
I will also describe two equivalence experiments and a test of the inverse-square law of gravitation.
The measurement of little g: a fertile ground for precision ... by Faller, James E. / Journal of Research of the National Institute of Standards and Technology
If Hooke is remembered at all, it's for actions during his prime years, when he became a controversial figure for publicly claiming credit for Isaac Newton's inverse-square law of gravity.
The Curious Life Of Robert Hooke: the Man Who Measured London by Science News
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