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About: Elevator paradox (physics)     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPhysicalParadoxes, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:Abstraction100002137yago:Communication100033020yago:Contradiction107206887yago:Falsehood106756407yago:Message106598915yago:Paradox106724559yago:Statement106722453yago:WikicatPhysicalParadoxes New Facet based on Instances of this Class

The elevator paradox relates to a hydrometer placed on an "elevator" or vertical conveyor that, by moving to different elevations, changes the atmospheric pressure. In this classic demonstration, the floating hydrometer remains at an equilibrium position. Essentially, a hydrometer measures specific gravity of liquids independent of barometric pressure. This is because the change in air pressure is applied to the entire hydrometer flask. The submerged portion of the flask receives a transmitted force through the liquid, thus no portion of the apparatus receives a net force resulting from a change in air pressure.