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  1. The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Blaise Pascal, is defined as one newton per square metre and is equivalent to 10 barye (Ba) in the CGS system.

  2. Pascal's law applies for fluids. Pascal's principle is defined as. A change in pressure at any point in an enclosed fluid at rest is transmitted undiminished to all points in the fluid. Pressure exerted on a fluid in an enclosed container is transmitted equally and undiminished to all parts of the container and acts at right angle to the ...

  3. Atmospheric pressure, also known as barometric pressure (after the barometer ), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa ), which is equivalent to 1013.25 millibars (unit now deprecated), 760 mm Hg, 29.9212 inches Hg, or 14.696 psi.

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    The pascal (symbol: Pa) is the SI derived unit of pressure, internal pressure, stress, Young's modulus and tensile strength, named after the French mathematician, physicist, inventor, writer, and philosopher Blaise Pascal. It is a measure of force per unit area, defined as one newton per square meter. On Earth, standard atmospheric pressure is 101....

    The unit is named after Blaise Pascal, the eminent French mathematician, physicist, and philosopher noted for his experiments with a barometer, an instrument to measure air pressure. The name pascal was adopted for the SI unit newton per square meter by the 14th CGPM in 1971.

    Standard atmospheric pressure is 101325 Pa = 101.325 kPa = 1013.25 hPa = 1.01325 bar = 0.101325 MPa = 760 Torr = 14.696 psi. This definition is used for pneumatic fluid power (ISO R554), and in the aerospace (ISO 2533) and petroleum (ISO 5024) industries. In 1985 the IUPAC recommended that the standard for atmospheric pressure should be harmonized ...

  5. Pascalization, bridgmanization, high pressure processing ( HPP) or high hydrostatic pressure ( HHP) processing is a method of preserving and sterilizing food, in which a product is processed under very high pressure, leading to the inactivation of certain microorganisms and enzymes in the food.

  6. › wiki › PressurePressure - Wikipedia

    The SI unit for pressure is the pascal (Pa), equal to one newton per square metre (N/m 2, or kg·m −1 ·s −2 ). This name for the unit was added in 1971; before that, pressure in SI was expressed simply in newtons per square metre. Other units of pressure, such as pounds per square inch (lbf/in 2) and bar, are also in common use.

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