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Atmospheric pressure


Atmospheric pressure, sometimes also called barometric pressure, is the pressure exerted by the weight ...

Atmospheric Pressure - HyperPhysics


Since static fluid pressure is determined by the fluid density and depth, the depth or height ... The standard atmospheric pressure is measured in various units: ...

Measuring Atmospheric Pressure - Windows to the Universe


Jun 11, 2010 ... Let's look at how atmospheric pressure is measured. For a long ... Atmospheric pressure can be recorded and reported in many different units.

atmospheric pressure | Britannica.com


Aug 7, 2014 ... Force per unit area exerted by an atmospheric column (that is, the ... Atmospheric pressure can be measured with a mercury barometer (hence.

measurement of atmospheric pressure - WMO


The basic unit for atmospheric pressure measurements is the pascal (Pa) (or .... Some instruments measure the temperature of the pressure sensor in order to ...

atmospheric pressure - National Geographic Society


May 14, 2011 ... An atmosphere (atm) is a unit of measurement equal to the average air pressure at sea level at a temperature of 15 degrees Celsius (59 ...

Atmospheric Pressure: force exerted by the weight of the air


Atmospheric pressure is defined as the force per unit area exerted against a ... Atmospheric pressure is measured with an instrument called a "barometer", which ...

barometer - National Geographic Society


Jun 19, 2014 ... A barometer measures atmospheric pressure in units of measurement called atmospheres or bars. An atmosphere (atm) is a unit of ...



The atmospheric pressure is the weight exerted by the overhead atmosphere on a unit area of surface. It can be measured with a mercury barometer, consisting ...

Understanding air pressure - USATODAY.com


Scientists generally use hectopascals to measure air pressure. ... a square meter, which is too large of a unit to be a convenient measure of Earth's air pressure.

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Atmospheric pressure - Units of Measurement Wiki - Wikia


Atmospheric pressure is the pressure above any area in the Earth's atmosphere ... As with the Units of Measurement wiki, the text of the engineering wiki is ...

What instrument is used to measure atmospheric pressure? | How ...


Sep 19, 2011 ... A: A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. A simple barometer consists of a long glass ...

standard atmosphere | unit of measurement | Britannica.com


Standard atmosphere, unit of pressure, equal to the mean atmospheric pressure at sea level. It corresponds to the pressure exerted by a vertical column of ...