Pascal's law

Pascal's law
the law that an external pressure applied to a fluid in a closed vessel is uniformly transmitted throughout the fluid.
[named after PASCAL]

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or Pascal's principle

In fluid mechanics, the statement that in a fluid at rest in a closed container, a pressure change in one part is transmitted without loss to every portion of the fluid and to the walls of the container.

The principle was first stated by Blaise Pascal, who also discovered that the pressure at a point in a fluid at rest is the same in all directions, and that the pressure would be the same on all planes passing through a specific point.

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Universalium. 2010.

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  • Pascal's law of fluid pressures — noun pressure applied anywhere to a body of fluid causes a force to be transmitted equally in all directions; the force acts at right angles to any surface in contact with the fluid the hydraulic press is an application of Pascal s law • Syn:… …   Useful english dictionary

  • pascal's law — A principle which states that when pressure is exerted on a confined liquid, it is transmitted undiminished. The law is particularly valid for hydraulic systems. Discovered by Blaise Pascal (1623 1662) …   Dictionary of automotive terms

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  • Law — /law/, n. 1. Andrew Bonar /bon euhr/, 1858 1923, English statesman, born in Canada: prime minister 1922 23. 2. John, 1671 1729, Scottish financier. 3. William, 1686 1761, English clergyman and devotional writer. * * * I Discipline and profession… …   Universalium

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