| A | B |
|---|
| Name | Definition |
| reference point | a starting point used to describe the position of an object |
| vector | a quantity that has both size and a direction |
| displacement | the difference between the initial position and the final position of an object |
| distance | the length of a path from one point to another |
| speed | rate of change of distance with time |
| constant speed | travels the same distance each second |
| instantaneous speed | speed at a specific instant in time |
| average speed | the total distance traveled divided by the total time taken |
| velocity | the speed and direction in which an object is traveling |
| accelaration | rate at which velocity changes with time |
| rate | the change in something that occurs in a unit of time |
| slope | steepness of a line |
| rise | change in vertical direction |
| run | change in horizontal direction |
| linear | relating to or resembling a straight line |
