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14 Cards in this Set
- Front
- Back
Frame of Reference |
A system of objects that are not moving with respect to one another |
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Distance |
The length of a path between two points |
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Vector |
a quantity that has magnitude and direction |
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Resultant Vector |
The vector sum of two or more vectors |
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Speed |
the ratio of the distance an object moves to the amount of time the object moves |
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average speed |
the total distance traveled |
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Instantaneous speed |
the rate at which an object is moving at a given moment in time |
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velocity |
the speed and direction in which an object is moving |
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acceleration |
the rate at which velocity changes |
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free fall |
the movement an object toward earth solely because of gravity |
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constant acceleration |
a steady change in velocity |
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linear graph |
the displayed data form straight-line parts |
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Relative motion |
movement in relation to a frame of reference |
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nonlinear graph |
a curve connects the data points that are plotted |