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Chapter 11 vocab
| Term | Definition |
|---|---|
| frame of reference | A system of objects that are not moving in respect with for one another |
| relative motion | Movement in relation to a frame of reference |
| distance | The length of a path between two points |
| vector | A quantity that has magnitude and direction |
| resultant vector | The reactor sum of two or more vectors |
| speed | The ratio of the distance the object moves to the amount of time the object moves |
| average speed | The total distance traveled divided by the time it takes to travel that distance |
| instantaneous speed | The rate at which an object is moving at a given moment in time |
| velocity | A description of both speed and direction of motion |
| acceleration | The rate at which velocity changes |
| free fall | The movement of an object toward Earth soley because of gravity |
| constant acceleration | A steady change in velocity |
| linear graph | The displayed data formn straight-line parts |
| nonlinear graph | A curve connects the data points that are plotted |