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Chapter 11 Vocab
Tremayne Stone
Term | Definition |
---|---|
Frame of reference | A frame of objects that are not moving with respect to one another |
Relative Motion | A movement in relation to the frame of reference |
Distance | The length of a path between two points. |
vector | a quantity that has mass or direction |
resultant vector | the vector sum of two or more vectors. |
speed | the ratio of the distance an object moves to the amount of time an object moves. |
average speed | computed duration for an entire trip. I.E. total distance traveled. Formula: total distance over total time, or v=d over t |
Instantaneous speed | speed measured at a particular moment,rate at which an object moves at any given point. |
Velocity | velocity is a description of both speed and direction of motion. Velocity is a vector. |
Acceleration | the rate at which velocity changes. Acceleration is a vector. |
Free Fall | the movement of an object toward earth solely because of gravity. |
Constant Acceleration | A steady change in velocity. |
Linear Graph | The displayed data forms a straight line. |
Nonlinear Graph | a curve connects the plotted data. |