Angular Momentum

Core Sentence / 核心句

Angular momentum is rotational momentum defined about a chosen point or axis.
$\vec{L}=\vec{r}\times \vec{p},L=I\omega \text{for a rigid body about a fixed axis}$

Watch Out / 易错点

reference point/axis 改变，$L$ 也可能改变。

Mentioned In / 出现位置

• 第10次正课 · angular momentum

Connected Notes / 连接

• Torque
• Linear Momentum
• Conservation of Angular Momentum