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moment of inertia

Definition of moment of inertia

  1. :  a measure of the resistance of a body to angular acceleration about a given axis that is equal to the sum of the products of each element of mass in the body and the square of the element's distance from the axis

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First Known Use of moment of inertia

1830

Learn More about moment of inertia

  1. Britannica.com: Encyclopedia article about moment of inertia

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