angularmomentum

中英词典：angular momentum

1. 名词

angular momentum [物理]角动量，自转动量

词语辨析

angular momentum 用于描述物体绕轴旋转的动量，通常与转速、转动惯量等相关。

词汇扩充

1. orbital angular momentum [物理]轨道角动量

2. spin angular momentum [物理]自旋角动量

3. total angular momentum 总角动量

近义词

rotation, spin

反义词

linear momentum 线性动量

2. 形容词

angular momentum [物理]角动量的

词典解释

柯林斯词典

angular momentum (Physics) the product of the moment of inertia of a body or system and its angular velocity about a given axis

牛津词典

angular momentum [物理] the quantity of rotation of a body, which is the product of its moment of inertia and its angular velocity

用法示例

1. 例句：

His research focuses on the conservation of angular momentum in rotating systems. (他的研究重点是旋转系统中角动量的守恒)

2. 例句：

The angular momentum of a spinning top keeps it stable while it rotates. (陀螺的角动量在旋转时使其保持稳定)

3. 例句：

An object with a larger moment of inertia will require more angular momentum to rotate at the same speed. (具有较大转动惯量的物体在相同速度下需要更多的角动量来旋转)

4. 例句：

The conservation of angular momentum is a fundamental principle in physics. (角动量守恒是物理学中的基本原理)

5. 例句：

The angular momentum of a planet determines its rotation speed and stability. (行星的角动量决定了它的自转速度和稳定性)

6. 例句：

Increasing the radius of a rotating object will increase its angular momentum. (增加旋转物体的半径将增加其角动量)

7. 例句：

The conservation of angular momentum explains why a spinning ice skater spins faster when they bring their arms closer to their body. (角动量守恒解释了为什么旋转的冰球运动员将手臂靠近身体时旋转得更快)

8. 例句：

The angular momentum of a system remains constant unless acted upon by an external torque. (系统的角动量在没有外部力矩作用下保持恒定)

9. 例句：

He calculated the angular momentum of the spinning disk using the formula Iω. (他使用公式Iω计算了旋转圆盘的角动量)

10. 例句：

In quantum mechanics, the angular momentum of particles is quantized. (在量子力学中，粒子的角动量是量子化的)

11. 例句：

The angular momentum of a gyroscope allows it to maintain its orientation in space. (陀螺仪的角动量使其能够在空间中保持方向)

12. 例句：

The conservation of angular momentum can be observed in the movement of spinning tops. (角动量守恒可以在陀螺的运动中观察到)

13. 例句：

Angular momentum is an important concept in astrophysics for understanding the rotation of celestial bodies. (角动量是天体物理学中理解天体旋转的重要概念)

14. 例句：

The angular momentum of a rotating object is proportional to its moment of inertia and angular velocity. (旋转物体的角动量与其转动惯量和角速度成正比)

15. 例句：

The angular momentum of a system can be transferred between its components. (系统的角动量可以在其组成部分之间转移)

16. 例句：

Understanding the conservation of angular momentum is crucial in analyzing the motion of objects in space. (理解角动量守恒对于分析天体运动至关重要)

17. 例句：

The angular momentum of an electron in an atom determines its energy level. (原子中电子的角动量决定了其能级)

18. 例句：

The angular momentum of a rigid body depends on its shape and mass distribution. (刚体的角动量取决于其形状和质量分布)

19. 例句：

The conservation of angular momentum can be observed in the behavior of spinning wheels. (角动量守恒可以从旋转车轮的行为中观察到)

20. 例句：

Calculating the angular momentum of a rotating system requires knowledge of its moment of inertia and angular velocity. (计算旋转系统的角动量需要了解其转动惯量和角速度)