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Momentum&Collision

Chapter 6

QuestionAnswer
2 or more objects hit each other collision
2 objects hit each other and bounce off perfectly elastic
2 object hit each other and stick together perfectly inelastic
this is conserved in all collisions momentum
SI units for momentum kg * m/s
For every force there is an equal and opposite force 3rd law of motion
this is only conserved in perfectly elastic collisions kinetic energy
states that momentum is conserved in all collisions (closed systems) law of conservation of momentum
heat, sound, deformation lost energy during inelastic collision
force times change in time impulse
ties your momentum to the car's momentum seat belts
increases the time of impact to lower the force of impact air bags
SI unit for impulse N * s
Formula for momentum p = mv
momentum of object that is not moving zero
SI unit for Force Newtons [N]
SI unit for time seconds
an object in motion tends to stay in motion until acted on by net force 1st law of motion
Created by: cadetjt
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