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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 |