Power

Core Sentence / 核心句

Power is the rate at which work is done or energy is transferred.

\qquad P=\frac{dW}{dt}=\vec F\cdot\vec v$$ ## Watch Out / 易错点 power 描述传递速率，不是能量总量；$Fv$ 只有同向时才可直接按大小相乘。 ## Mentioned In / 出现位置 - [[AP物理C力学第6次正课-功功率势能与机械能守恒#3. Power / 功率|第6次正课 · power]] ## Connected Notes / 连接 - [[Work]] - [[Derivatives]]