angular momentum

noun
|Updated on: 21 May 2018

Definition of angular momentum

: a vector quantity that is a measure of the rotational momentum of a rotating body or system, that is equal in classical physics to the product of the angular velocity of the body or system and its moment of inertia with respect to the rotation axis, and that is directed along the rotation axis

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First Known Use of angular momentum

1817

in the meaning defined above

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