| A | B |
|---|
| Distance | the length of the route between two points |
| Displacement | the distance and direction of an object's change in position from the starting point |
| Frame of Reference | something that is not moving with respect to an observer that can be used to detect motion |
| Relative Motion | a movement in relation to a frame of reference |
| Vector | a quantity that includes both size and direction |
| Speed | the distance an object travels per unit of time |
| Instantaneous Speed | the speed at a given point in time |
| Velocity | a measure that includes the speed of an object and the direction of its motion. |
| Acceleration | changes in speed or direction |
| Scalar | a quantity that only includes size |
| Motion | a change in position |
| Constant Acceleration | A steady change in velocity |
| average speed | total distance traveled divided by time |
