level: Level 1
Questions and Answers List
level questions: Level 1
| Question | Answer |
|---|---|
| Reference point | A point against which position is measured. |
| Vector Quantity | A physical measurement that contains directional information. |
| Scalar Quantity | A physical measurement that does not contain directional information. |
| Acceleration | The time rate of change of an object's velocity. |
| Free fall | The motion of an object when it is falling solely under the influence of gravity. |