Motion
An objects change in position relative to a reference point
Unbalanced Forces
Forces that produce a nonzero net force, which changes an object’s motion
Balanced Forces
Equal forces acting on an object in opposite directions
Position
The location of an object at a specific time
Distance
The amount of change of position
Speed
The distance an object travels per unit of time
Newton
Unit of measurement for force
Reference Point
A place or object used for comparison to determine if an object is in motion