Oscillation Graphs

Core Sentence / 核心句

In SHM, velocity is the derivative of position and acceleration is opposite and proportional to position.
$x=A\cos (\omega t+\varphi )$
$v=-A\omega \sin (\omega t+\varphi ),a=-{\omega }^{2}x$

Watch Out / 易错点

$x=0$ 时 speed 最大而 acceleration 为零；端点恰好相反。

Mentioned In / 出现位置

• 第12次正课 · oscillation graphs

Connected Notes / 连接

• Simple Harmonic Motion
• Kinematics Graphs
• Derivatives