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# Unit 7: Torque and angular momentum

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## About this unit

Everything we've learned about motion, forces, energy, and momentum can be reused with a few tweaks to analyze rotating objects. In this lesson, you'll learn about rotational motion, rotational inertia, torque, and angular momentum.### Practice

- Using rotational kinematic formulasGet 3 of 4 questions to level up!

### Learn

### Practice

- Calculating torqueGet 3 of 4 questions to level up!
- Equilibrium and applied force Get 3 of 4 questions to level up!

### Learn

### Practice

- Predicting rotational inertia Get 3 of 4 questions to level up!
- Angular acceleration and angular second lawGet 3 of 4 questions to level up!

### Practice

- Angular momentum calculationsGet 3 of 4 questions to level up!
- Angular impulse calculationsGet 3 of 4 questions to level up!

### Learn

### Practice

- Predicting changes in momentum during collisionsGet 3 of 4 questions to level up!
- Conservation of angular momentum calculationsGet 3 of 4 questions to level up!

### Learn

### Practice

- Calculating gravitational potential energy of a systemGet 3 of 4 questions to level up!
- Gravitational potential energy and conservation of angular momentumGet 3 of 4 questions to level up!

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Level up on all the skills in this unit and collect up to 1300 Mastery points!#### Unit test

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