1.14 momentum 2 (conservation of momentum)
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Last updated 10:07 PM on 12/14/25
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5 Terms
1
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What is the law of conservation of momentum?
The total momentum of a system remains constant provided no external forces act on the system.
2
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What is meant by a closed system?
A system in which no external forces act.
3
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When is momentum conserved?
During collisions and explosions, provided the system is closed.
4
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Why must direction be considered when calculating momentum?
Because momentum is a vector quantity.
5
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What happens to momentum before and after a collision in a closed system?
The total momentum before the collision is equal to the total momentum after the collision.
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