moment of inertia
短语[化] 惯性矩
词形变化
moments of inertia
复数
moments of inertia
释义与例句
n.
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1.
A measure of a rigid body's resistance to change in its angular velocity around a given axis.
物理The moment of inertia of a rigid body is a quantity that determines the torque needed for a given angular acceleration about a given rotational axis, analogous to how mass determines the force needed for a given acceleration.
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2.
Second moment of area; a measure of a rigid body's resistance to bending.
工程