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# Unit 4: Gravitation

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## About this unit

Why do all objects on Earth fall at the same rate in a vacuum? And why doesn't the Moon fall into the Earth? Apply Newton's law of gravitation, along with Newton's second law, to explain falling objects both near and far.

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### Practice

- Understand: Newton's law of gravitationGet 3 of 4 questions to level up!
- Apply: Newton's law of gravitationGet 3 of 4 questions to level up!

### Practice

- Understand: falling objectsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Understand: centripetal forceGet 3 of 4 questions to level up!
- Understand: orbital motionGet 3 of 4 questions to level up!
- Apply: orbital motionGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

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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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