MOMENT OF INERTIA Definition & Meaning

moment of inertia

noun

Physics.

the sum of the products of the mass and the square of the perpendicular distance to the axis of rotation of each particle in a body rotating about an axis.

moment of inertia

noun

the tendency of a body to resist angular acceleration, expressed as the sum of the products of the mass of each particle in the body and the square of its perpendicular distance from the axis of rotation I

moment of inertia

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A measure of a body's resistance to angular acceleration, equal to the product of the mass of the body and the square of its distance from the axis of rotation.
See also angular momentum

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�y��vlog History and Origins

Origin of moment of inertia¹

First recorded in 1820–30

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Example Sentences

Examples have not been reviewed.

To do this, felines exploit the physical laws of classical mechanics: by placing their front paws close to their body, they reduce their moment of inertia.

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Exactly, the actual physics behind that is: you’re reducing your moment of inertia, which increases your rotational velocity.

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That boosts the moment of inertia and helps mitigate the effect of a poor shot.

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They also feature high-density tungsten powder in the sole to increase moment of inertia for more stability on off-center hits.

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One, the Spider S, is the more commonly seen idea of increasing moment of inertia, which is a measurement of stability on off-center hits.

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