click below
click below
Normal Size Small Size show me how
Ally Brown
Chapter 11 Vocabulary
Term | Definition |
---|---|
Frame of Reference | A system of objects that are not moving with respect to one another |
Relative Motion | A 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 vector sum of two or more vectors |
Speed | The ratio 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 took to travel the distance |
Instantaneous Speed | The rate at which an object is moving at a given moment of 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 towards 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 data points that are plotted |