radius of gyration

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Symbol k. The square root of the ratio of the moment of inertia of a rigid body about an axis to the body's mass, i.e. k2 = I/m, where I is the body's moment of inertia and m is its mass. If a rigid body has a moment of inertia I about an axis and mass m it behaves as if all its mass is rotating at a distance k from the axis.

Subjects: Sports and Exercise Medicine — Science and Mathematics.

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