| A | B |
|---|
| Frame of reference | System of objects that are not moving with respect to one another. |
| Average Speed | Total distance traveled divided by the time it takes to travel that distance. |
| Vector | A quantity that has magnitude and direction. |
| Resultant vector | The vector sum of 2 or more vectors. |
| Speed | The ratio of the distance an object moves to the amount of time the object moves. |
| Distance | Length of a path between 2 points. |
| Relative Motion | Movement in relation to a frame of reference. |
| Instantaneous speed | The rate at which an object is moving at any given moment in time. |
| Velocity | The speed and direction in which an object is moving. |
| Acceleration | The rate at which velocity changes. |
| Free Fall | The movement of an object toward Earth solely because of gravity. |
| Constant Acceleration | A steady change in velocity. |
