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CSCA PhysicsChapter 1: MechanicsIntermediate

Circular Motion & Universal Gravitation

圆周运动、向心力与万有引力 · Node 1.4

Centripetal acceleration, angular velocity, Kepler's planetary laws, orbital speed, and escape velocity.

Chapter Weight: 35% of official examination
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Core Mathematical Axiom

Formula Proof & Traps
Fc​=mrv2​=mω2r,Fg​=Gr2Mm​⟹vorb​=rGM​​,T=2πGMr3​​
CSCA Exam Trap Alert

Measuring orbital radius r from the planet's surface altitude instead of from its center of mass (r = R + h).

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