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Chapter 11 Vocab
| Term | Definition |
|---|---|
| frame of reference | a system of objects that are not moving with respect to one another |
| relative motion | movement in relation to a frame or reference |
| distance | the length of a path between two points |
| vector | a quantity that has magnitude and direction |
| resultant vector | the sum of two or more vectors |
| speed | the ratio of the distance an object moves to the amount of time it moves. |
| average speed | speed of the total distance traveled |
| instantaneous speed | the rate an object is moving at a given moment in time |
| velocity | the speed and direction in which an object moves |
| acceleration | the rate at which velocity changes |
| free fall | the movement of an object toward earth because of gravity |
| constant acceleration | a steady change in velocity |
| linear graph | the displayed data forms a straight line on a graph |
| nonlinear graph | a curve that connects the data points plotted. |