Atmospheric pressure, sometimes also called barometric pressure, is the
pressure exerted by the weight of air in the ...
Jun 11, 2010 ... This image shows three common ways that atmospheric pressure is measured -
using a mercurial barometer, an aneroid barometer or a ...
Air pressure, the force exerted on a mass by the weight of air particles, is
measured in either inches of mercury or in millibars, represented by inHg and mb
An instrument that measures air pressure is called a barometer. One of the first
barometers was developed in the 1600s. The original instrument had mercury in
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 ...
tendency is the character and amount of atmospheric pressure change for a 3 h
... The basic unit for atmospheric pressure measurements is the pascal (Pa) (or ...
www.ask.com/youtube?q=How Is Atmospheric Pressure Measured&v=4K_XJGuRy88
May 3, 2013 ... How an old fashioned mercury barometer measures barometric pressure. (a.k.a.
Since the pressure depends upon the amount of air above the point where you're
measuring the pressure, the pressure decreases as you go higher.
5.2 Principle of Atmospheric Pressure Measurement ···················································
··································· 1. 5.2.1. Mercury Barometer ...
Force per unit area exerted by an atmospheric column (that is, the entire body of
air above the specified area). Atmospheric pressure can be measured with a ...