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Physics Exam Review
Physics
| Question | Answer |
|---|---|
| base unit? | one unit |
| derived unit? | two or more base units combined together |
| distance? | total length travelled |
| displacement? | measurement from starting point to ending point |
| kinematics? | how they move |
| dynamics? | why they move |
| Velocity? | represented by a vector; speed with direction |
| Scalar? | speed |
| directly proportional? | if the first thing decreases then the second thing decreases |
| inversely proportional? | if the first thing decreases then the second thing increases |
| solving a physics problem: | (1)draw it and label,(2)list what you are given,(3)write what you are looking for,(4)match variables to proper formula,(5)subsitute values in formula,(6)check answer-logical,(7)box your answer |
| free fall? formula? | falling with no air resistance ; Vf=gt |
| acceleration? | change in velocity |
| velocity? | speed with direction ; displacement/time |