动量守恒定律和能量守恒定律以及角动量守恒定律一起成为现代物理学中的三大基本守恒定律。最初它们是牛顿定律的推论, 但后来发现它们的适用范围远远广于牛顿定律,是比牛顿定律更基础的物理规律, 是时空性质的反映。其中,动量守恒定律由空间平移不变性推出,能量守恒定律由时间平移不变性推出,而角动量守恒定律则由空间的旋转对称性推出。
... loaded d coin 不公正钱币 law w of conservation of momentum 动量守恒定律 loaded d die 不公正骰子 ...
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角动量守恒定律 angular momentum conservation law ; Conservation of Angular momentum ; Drehimpulserhaltungssatz ; [物] law of conservation of angular momentum
能量和动量守恒定律 laws of conservation of energy and momentum
动量守恒定律-- law of conservation of momentum
机械能和动量守恒定律 Conservation of Mechanical Energy and Momentum
动量矩守恒定律 angular monentum conservation law ; law of moment of momentum ; law of co ervation of moment of momentum
例如,无论一个舞者多么想要跳离地板,然后开始旋转,角动量守恒定律绝对阻止这样的动作。
For example, no matter how much a dancer wishes to leap off the floor and then start turning, the law of conservation of angular momentum absolutely prevents such a movement.
动量守恒定律告诉你,碰撞后速度是多少。
So the conservation of momentum tells you what the speed is after the collision.
角动量守恒定律,可以用回转器来演示。
The law of conservation of angular momentum may be demonstrated with a gyroscope.
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