💡This unit builds on Unit 1: Kinematics and Unit 2: Dynamics. Make sure you've covered those first!
Unit 3
🌍Circular Motion & Gravitation
Uniform circular motion, centripetal acceleration, and Newton's law of universal gravitation.
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Lessons
1
Uniform Circular Motion
Moving in a circle at constant speed — but accelerating!
15 min→
2
Centripetal Force
The inward force that keeps objects in circular paths.
15 min→
3
Newton's Law of Gravitation
How every mass attracts every other mass.
15 min→
4
Orbital Motion
Satellites, planets, and why orbits are actually free-fall.
12 min→
Unit Quiz
AP-format questions: MC, multi-select, and free-response.