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# Unit: Uniform circular motion and gravitation

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### About this unit

Why do things move in circles? Learn about centripetal acceleration, centripetal force, and Newton's law of gravitation.### Learn

### Practice

- Circular motion basics: Angular velocity, period, and frequencyGet 3 of 4 questions to level up!

### Learn

### Practice

- Predicting changes in centripetal accelerationGet 3 of 4 questions to level up!

### Learn

### Practice

- Identifying centripetal forcesGet 3 of 4 questions to level up!

### Learn

### Practice

- Gravitational field strengthGet 3 of 4 questions to level up!
- Comparing gravitational and inertial massGet 3 of 4 questions to level up!
- Gravity and orbitsGet 5 of 7 questions to level up!

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Level up on all the skills in this unit and collect up to 600 Mastery points!#### Unit test

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