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# Science ch 2

### lesson 4

TermDefinition
Momentum characteristics of a moving object that is related to the mass and velocity of an object
what does newton call momentum? quality of motion
What is an object's momentum? it can be determined by multiplying the mass by its velocity
what is momentum's formula m=mass/velocity
What is momentum's SI unit kg*m/s
Law of Conservation of Momentum in the absence of outside forces like friction the total momentum of objects that interact do not change.
Non Sticky colllisions if one car is hitting a moving car from behind the car that is going faster before the collision will slow down and the other one will sped up
Sticky collosions if one car is parked and another runs into it, after they collide they stick together ant the cars share the momentum and the total momentum of the two cars stays the same
Total Momentum of any group of objects remains the same or is conserved unless outside forces act on the objects
Created by: Ella!!

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