Last Updated
：2025/11/22
polar moment of inertia
（ plural ）
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(engineering) A measure of a body's resistance to twisting; a measure of torsional strength.
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polar moment of inertia
The polar moment of inertia of the shaft determines how much it will twist under torque during operation.
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The polar moment of inertia of the shaft determines how much it will twist under torque during operation.
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