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# Unit 7: Torque and angular momentum

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## About this unit

The wheels on the bus go round and round.... their axles, that is. Let's get into the physics of those bus wheels as we explore 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!

Level up on the above skills and collect up to 320 Mastery points

### 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!

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

### 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!

Level up on the above skills and collect up to 480 Mastery points

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