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单词 moment of inertia
释义

WordReference Random House Unabridged Dictionary of American English © 2024
moment of inertia, [Physics.]
  1. Physicsthe 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

Collins Concise English Dictionary © HarperCollins Publishers::
moment of inertia n
  1. 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
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