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单词 conservation of angular momentum
释义

conservation of angular momentum

When a particle is acted on by a central force, the angular momentum of the particle about the centre of the field of force is constant for all time. This fact is called the principle of conservation of angular momentum.

Similarly, when the sum of the moments of the forces acting on a rigid body about a fixed point (or the centre of mass) is zero, the angular momentum of the rigid body about the fixed point (or the centre of mass) is conserved. See also Noether's theorem.

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更新时间:2025/4/29 19:33:13