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2k19 PS 1D Motion CP
review of 1D Motion for CP
| Question | Answer |
|---|---|
| change in a object's position | motion |
| set of guidelines used to describe an object's location | frame of reference (FOR) |
| SI unit for time | seconds |
| SI unit for distance/length | meters |
| Positive directions | north (up) and east (right) |
| Negative directions | south (down) and west (left) |
| quantity with magnitude only (NO direction) | scalar |
| quantity with magnitude AND direction | vector |
| distance / time | speed |
| displacement / time | velocity |
| change in velocity / time | acceleration |
| speed up , slow down , change direction | 3 ways to accelerate |
| 2 example of vector quantities | velocity and displacement |
| 2 examples of scalar quantities | speed and distance |