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chapter 11 vocab
| Term | Definition |
|---|---|
| frame of reference | a system of objects that are not moving with respect to 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 a direction associated with it |
| resultant vector | the vector sum of two or more vectors |
| speed | the of the distance an object moves to the amount of time the object moves |
| average speed | the total distance traveled divided by the time it takes to travel the speed |
| instantaneous speed | the rate at which an object is moving at a given movement in time |
| velocity | the speed and direction an object is moving measured relative to a reference point |
| 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 | a graph in which the displayed data from a straight line |
| nonlinear graph | a graph in which the displayed data from a curved line |