Meaning Of The Word Rest mass

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Rest mass Meaning

Rest mass Definition
Rest mass Definition

What's The Definition Of Rest mass?

rest mass in British English
the mass of a body when its velocity is zero: according to one view of the special theory of relativity, an object's mass increases as its speed increases
noun: the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body
noun: the mass of an object that is at rest relative to an observer. It is the mass used in Newtonian mechanics

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