click below
click below
Normal Size Small Size show me how
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 |