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17 Cards in this Set
- Front
- Back
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Motion Diagram |
A series of images of an object that record the object's position after equal time intervals |
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Vector Quantity |
A quantity that has magnitude and direction |
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Particle model |
What replaces an object by a single point |
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Coordinate System |
The zero point of a variable and the direction in which the values of the variable increase is indicated in |
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Position Vector |
An arrow that is proportional to the distance an object is from the origin and points in the direction of the object |
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Average Speed |
The magnitude of the average-velocity vector |
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Problem Solving Strategy |
A step-wise procedure for solving problems
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Time Interval |
A change in time |
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Operational Definition |
A quantity defined in terms of the procedure used to identify it |
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Displacement |
The change in position of the object |
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Origin |
The point in a coordinate system at which the variables have the value of zero |
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Distance |
The length of the displacement vector between the two positions |
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Pictural model |
A model that uses symbols to represent variables
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Average Velocity |
The ratio of the displacement to the time interval in which the displacement takes place |
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Physical Model |
A motion diagram is an example of this |
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Average Acceleration |
The ratio of the change in velocity to the time interval in which the change took place |
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Scaler Quantity |
A quantity that has only magnitude |
