Momentum

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10 Terms

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Momentum

Mass x velocity

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Intertia

The tendency of an object to continue in its motion

3
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Define force in terms of momentum

The rate of change of momentum

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Impulse

Change in momentum

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Conservation of momentum

In a closed system, the total momentum before = the total momentum after

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Closed system

There are no external forces acting, and the system does not gain or lose energy

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What two properties should be considered with collisions?

  • Conservation of kinetic energy

  • Conservation of momentum

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Elastic collisions

All momentum, total energy and kinetic energy are conserved

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Inelastic collisions

All momentum and total energy are conserved, but kinetic energy is NOT conserved

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What happens to the kinetic energy that is not conserved during inelastic collisions?

It is dissipated to the surroundings as thermal energy