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Chapter 3 Vocab
| Term | Definition |
|---|---|
| Pressure | force divided by area |
| pascal | SI unit of pressure |
| fluid | material that flows easily |
| barometer | tool used to measure pressure |
| buoyant force | force pushing up on a submerged object |
| Archimede's principle | connection between the weight of a fluid displaced by an object and the buoyant force acting on it |
| density | mass per unit volume |
| Bernouli's principle | principle stating that the faster a fluid moves, the less pressure it exerts |
| lift | an upward force |
| Pascal's principle | When force is applied to a confined fluid, the change in pressure is exerted on the whole fluid |
| Hydraulic system | System that uses pistons to transmit pressure through a confined fluid |