The total momentum of a system refers to the combined momentum of all objects within that system. It takes into account both mass and velocity.
Total Momentum of the System cheat sheet for homework
The principle stating that in a closed system, the total momentum before an event is equal to the total momentum after the event.
The change in momentum of an object resulting from a force applied over a certain time interval.
A collision between objects where both kinetic energy and momentum are conserved.