Rotational Energy
Core Sentence / 核心句
A rotating rigid body stores kinetic energy according to its rotational inertia and angular speed.
Watch Out / 易错点
同时平动和转动时，两部分 kinetic energy 都要计入。
A rotating rigid body stores kinetic energy according to its rotational inertia and angular speed.
同时平动和转动时，两部分 kinetic energy 都要计入。