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Chapter 11 Vocab
Term | Definition |
---|---|
Frame of Reference | A system of objects that are not with respect to one another |
Relative Motion | Movement in relation to a frame of reference |
Distance | The length of a path between two points |
Displacement | the direction from the starting point and the length of a straight line from the starting point to the ending point |
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 takes to travel that distance |
Instantaneous Speed | The rate at which an object is moving at a given moment in 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 toward Earth solely because of gravity |
Constant Acceleration | A steady change in velocity |
Linear Graph | A graph in which the displayed data form a straight line |
Nonlinear Graph | A graph in which the displayed data form a curved line |