单词 | conservation of momentum |
释义 | conservation of momentum [´kän·sǝr`vā·shǝn ǝv mǝ`mǝn·tǝm] MECHANICS The principle that, when a system of masses is subject only to internal forces that masses of the system exert on one another, the total vector momentum of the system is constant; no violation of this principle has been found. Also known as momentum conservation. |
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