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Download as PDF; Printable version; In other projects ... Pressure units Pascal Bar Technical atmosphere Standard atmosphere Torr Pound per square inch ...
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]
To head off further controversy about this, I re-quote the excerpt from The International System of Units brochure already quoted at Pascal (unit)#Origin: When an SI unit is spelled out in English, it should always begin with a lowercase letter (pascal), except where any word would be capitalized, such as at the beginning of a sentence or in ...
Various units are used to express pressure. Some of these derive from a unit of force divided by a unit of area; the SI unit of pressure, the pascal (Pa), for example, is one newton per square metre (N/m 2); similarly, the pound-force per square inch (psi, symbol lbf/in 2) is the traditional unit of pressure in the imperial and US customary ...
A centimetre of water [1] is a unit of pressure. It may be defined as the pressure exerted by a column of water of 1 cm in height at 4 °C (temperature of maximum density) at the standard acceleration of gravity, so that 1 cmH 2 O (4°C) = 999.9720 kg/m 3 × 9.80665 m/s 2 × 1 cm = 98.063754138 Pa ≈ 98.0638 Pa, but conventionally a nominal maximum water density of 1000 kg/m 3 is used, giving ...
Download as PDF; Printable version; In other projects Appearance. ... SI unit; Name Symbol Dimension symbol Unit name Unit symbol time, duration: t: T second: s length:
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Symbol Name Meaning SI unit of measure nabla dot the divergence operator often pronounced "del dot" per meter (m −1) nabla cross the curl operator often pronounced "del cross" per meter (m −1) nabla: delta (differential operator)