moment of inertia
Date: 1830 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

New Collegiate Dictionary. 2001.

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  • Moment of inertia — Moment Mo ment, n. [F. moment, L. momentum, for movimentum movement, motion, moment, fr. movere to move. See {Move}, and cf. {Momentum}, {Movement}.] 1. A minute portion of time; a point of time; an instant; as, at that very moment. [1913… …   The Collaborative International Dictionary of English

  • Moment of inertia — This article is about the moment of inertia of a rotating object, also termed the mass moment of inertia. For the moment of inertia dealing with the bending of a beam, also termed the area moment of inertia, see second moment of area. In… …   Wikipedia

  • moment of inertia — noun a) A measure of a bodys resistance to a change in its angular rotation velocity b) A measure of a bodys resistance to bending; second moment of inertia; …   Wiktionary

  • moment of inertia — 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. [1820 30] * * * …   Universalium

  • moment of inertia — Смотри момент инерции …   Энциклопедический словарь по металлургии

  • Polar moment of inertia — is a quantity used to predict an object s ability to resist torsion, in objects (or segments of objects) with an invariant circular cross section and no significant warping or out of plane deformation.Ugural AC, Fenster SK. Advanced Strength and… …   Wikipedia

  • List of moment of inertia tensors — This list of moment of inertia tensors is given for principal axes of each object.ee also*Moment of inertia *List of area moments of inertia *The inertia tensor of a triangle in three dimensional space * [http://number none.com/blow/inertia/bb… …   Wikipedia

  • second moment of inertia — noun A measure of a bodys resistance to bending; second moment of area …   Wiktionary

  • polar moment of inertia — noun A measure of a bodys resistance to twisting; a measure of torsional strength …   Wiktionary

  • Moment of a couple — Moment Mo ment, n. [F. moment, L. momentum, for movimentum movement, motion, moment, fr. movere to move. See {Move}, and cf. {Momentum}, {Movement}.] 1. A minute portion of time; a point of time; an instant; as, at that very moment. [1913… …   The Collaborative International Dictionary of English

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