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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 |