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The total momentum in isolated system
Does not change nothing added or leaving
Collisions don’t occur in isolated systems and some momentum becomes..
Heat, sound, deformation
Remember, momentum is
Vector (has magnitude and direction )
The total momentum in the system is found by
Adding together the momentum of all the objects in the system
In 1-D motion one direction can be made
Positive or negative
Collisions are when objects
Bump into each other
inelastic collisions are when objects
Stick together after colliding
Elastic collisions are when objects
Bounce off each other
Inelastic
Elastic
Newtons 3rd law - Every action has an equal and opposite
The total momentum in a system before equals the total momentum after