| A | B |
|---|
| distance | how far an object has moved |
| displacement | the distance and direciton of an object's change in position from the starting point |
| speed | the distance an object travels per unit of time |
| average speed | the total distance traveled divided by the total time of travel |
| instantaneous speed | the speed at a given point in time |
| velocity | the speed of an object and the direction of its motion |
| acceleration | the rate of change of velocity |
| force | a push or pull that one body exerts on another |
| net force | when two or more forces combine to act on an object at the same time |
| balancd force | forces on an object that are equal in size and opposite in direction |
| inertia | the tendency of an object to resist an change in its motion |
