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# Unit 3: Force pairs and momentum

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## About this unit

What is momentum, and why is it such an important quantity in physics? Discover how momentum is related to force, why momentum is conserved, and how the same change in momentum (impulse) can occur in different ways.

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### Practice

- Understand: Newton's third lawGet 3 of 4 questions to level up!
- Apply: Newton's third lawGet 3 of 4 questions to level up!

### Practice

- Understand: momentumGet 3 of 4 questions to level up!
- Understand: conservation of momentumGet 3 of 4 questions to level up!

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

### Practice

- Understand: impulseGet 3 of 4 questions to level up!
- Apply: impulseGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 160 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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