Apologia PS Module 9 Word Scramble
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| Question | Answer |
| Physics | the most fundamental of all sciences |
| Mechanics | the branch of physics that deals with analyzing and understanding objects in motion, the forces applied to those objects, and the energy that exists in them. |
| What does this tell you about position? | Position must always be given relative to something else. |
| Reference point | a point against which position is measured |
| All motion is relative | one of the most important concepts in all of physics |
| Speed | How quickly motion occurs; speed= distance traveled/time traveled |
| Vector quantity | a physical measurement that contains directional information |
| Scalar quantity | A physical measurement that does not contain directional information |
| When objects travel in the ____ direction, their relative speed is the difference between their individual _____. | same;speeds |
| When they travel in opposite directions, their ____ speed in the ___ of their individual speeds. | relative;sum |
| Free fall | the state of an object that is falling towards the earth with nothing inhibiting its fall |
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