# momentum

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- Created by: Roisin browne
- Created on: 25-04-13 21:24

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- Momentum
- when a force acts on an object it changes its momentum
- momentum has a SIZE and <--direction-->
- calculation for momentum: p = m x v
- momentum (kgm/s) = mass (kg )x velocity(m/s)

- Conservation of Momentum
- if objects collide then the total momentum before the collision will be equal to the total momentum after the collision
- P1 = P2

- A LARGE force causes a LARGE damage in momentum
- if a momentum changes very quickly the force will be very LARGE
- the longer it takes for a change in momentum, the smaller the force.

- if a momentum changes very quickly the force will be very LARGE

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