Unit 2 Linear Motion
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Created by:
robert-young on January 31, 2012
Classes:
Mrs. Juhl's G1 Physics, Mr. Young's MYP Physics Gold 4, Mr. Young's MYP Physics 3rd Hour, Mr. Young's MYP Physics B2, Mr. Young's HPOP
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16 terms
Terms | Definitions |
|---|---|
 Acceleration | The rate of change of velocity. (vector quantity) |
| Average Velocity | Total displacement divided by total time. (vector quantity) |
| Constant Velocity | Movement with no change in speed or direction. |
| Decelleration | The same as negative acceleration. "Slowing down." |
| Distance | The change in position of an object. "How far." (scalar quantity) |
| Displacement | The change in position of an object in a direction. "Distance in a direction." (Vector quantity) |
| Instantaneous Velocity | The speed and direction of an object at a given moment. |
| Average Speed | Total distance divided by total time. (scalar quantity) |
| Instantaneous Speed | How fast an object is moving at a given moment. |
| Negative Acceleration | Accelerating against the direction of motion. "slowing down." |
| Relative Speed | The rate of motion compared to something that is assumed to be stationary. (scalar quantity) |
| Speed | The rate at which an object changes postion. "How fast." (scalar quantity) |
| Scalar Quantitiy | A quantity that has only magnitude (how much). |
| Velocity | Speed in a given direction. (vector quantity) |
| Vector Quantity | A quantity that has both magnitude (how much) and direction. |
| Constant Speed | Movement where the rate of change of position remains the same but direction CAN be changing. (scalar quantity) |
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