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force and motion 2

Term Definition
Instantaneous speed the speed of an object at one instant of time
average speed equals the total distance traveled divided by the total time taken to travel the distance.
mass amount of matter in an object
Inertia tendency of an object to resist a change in its motion
law of conservation and momentum states that the total momentum of object that collide with each other is the same before and after the collision
center of mass point in a object that moves at if all of the object's mass were concentrated at that point
weight gravitational force between and earth
force a push or a pull
net force combination of all force acting on an object
displacement distance is how far you have walked