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inverse square law |
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inverse square lawWhen the strength or intensity of some quantity depends inversely on the square of the distance from the source or origin of that quantity, it is said to obey an inverse square law. For example, the strength of gravitational attraction of a body is inversely proportional to the square of the distance from that body; the intensity of a sound is inversely proportional to the distance from the source of the sound. Light and electrostatic force (Coulomb's law), are among the other phenomena that obey the inverse square law. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In effect, the rate at which oil mass is lost from an ink decays according to an approximate inverse square law with time. Scientists raised the idea of a fifth force in 1986 after finding hints that the gravity inside an Australian mine shaft did not follow Newton's inverse square law. At stake is the accuracy of Newton's inverse square law of gravity, which holds that the gravitational attraction between two bodies is proportional to one over the square of the distance separating the bodies. |
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inverse square law
