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Ch. 4 Lesson 2 & 3
Science
| Question | Answer |
|---|---|
| piston | circular tube that carries the fluid |
| drag force | opposing force. faster an object moves through a fluid, the more drag there is |
| bernoulli's principle | pressure is unbalanced because of the speed of the fluid |
| pascal's principle | hydraulic lifts. pressure that is applied to a closed container |
| archimedes' principle | buoyant force. fluid displacement= buoyant force |
| buoyant force | upward force applied by a fluid. objects that have the same volume will have the same buoyant force |
| gravitational force | weight. works toward earth |
| density | d=m/v. if it has more mass, will be more dense. objects are going to range themselves according to there density |
| pressure | pressure can change if the speed increases |
| differentiate | as volume increases, buoyant force increases. depth has no effect on buoyant force |
| analyze | density-sinking-floating |
| how something moves | buoyant force moves up. gravitational force moves toward the earth. sinking moves down. floating moves up. |
Created by:
2018grellerj
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