inverse square law


Definition of inverse square law

: a statement in physics: a given physical quantity (such as illumination) varies with the distance from the source inversely as the square of the distance

Examples of inverse square law in a Sentence

Recent Examples on the Web

Power law distributions are seen in many physical situations, like the inverse square laws of gravitation and electric fields. Quanta Magazine, "How Network Math Can Help You Make Friends," 20 Aug. 2018 Most of the time, crowds flow along this way, each person using this inverse square law to avoid collisions while getting to their own destination. Evelyn Lamb, Smithsonian, "How Fluid Dynamics Can Help You Navigate Crowds," 17 Jan. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'inverse square law.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of inverse square law

1921, in the meaning defined above

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Last Updated

8 Jul 2019

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The first known use of inverse square law was in 1921

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What made you want to look up inverse square law? Please tell us where you read or heard it (including the quote, if possible).


not constant or steady

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