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The pascal (symbol: Pa) is the unit of pressure in the International System of Units (SI). It is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Blaise Pascal, is an SI coherent derived unit defined as one newton per square metre (N/m 2 ). [1]
- Blaise Pascal
Blaise Pascal (/ p æ ˈ s k æ l / pass-KAL, also UK: /-ˈ s k...
- Pressure
Pressure (symbol: p or P) is the force applied perpendicular...
- Pascal (Disambiguation)
Pascal (unit), the SI unit of pressure; Pascal (programming...
- Standard Atmosphere
History. The standard atmosphere was originally defined as...
- Orders of magnitude (pressure)
This is a tabulated listing of the orders of magnitude in...
- Blaise Pascal
Pressure in water and air. Pascal's law applies for fluids. Pascal's principle is defined as: A change in pressure at any point in an enclosed incompressible fluid at rest is transmitted equally and undiminished to all points in all directions throughout the fluid, and the force due to the pressure acts at right angles to the enclosing walls.
pascal (Pa), unit of pressure and stress in the metre-kilogram-second system (the International System of Units [SI]). It was named in honour of the French mathematician-physicist Blaise Pascal (1623–62). A pascal is a pressure of one newton per square metre, or, in SI base units, one kilogram per metre per second squared.
- The Editors of Encyclopaedia Britannica
The pascal (symbol: Pa) is the SI-derived unit of pressure or stress. It is a measure of perpendicular force per unit area and is equal to one newton per square meter. In everyday life, the pascal is best known from meteorological air-pressure reports, where it happens in the form of hectopascal (1 hPa = 100 Pa).
Mar 21, 2024 · Pascal’s principle, in fluid (gas or liquid) mechanics, 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 enunciated by the French scientist Blaise Pascal.
Feb 20, 2022 · The SI unit of pressure is pascal and \(1\, Pa = 1 \space N/m^2\). Pressure is the force per unit perpendicular area over which the force is applied. In equation form, pressure is defined as \(F=PA\).
