*atmospheric pressure*

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*PRESSURE JOURNALS*

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*”atmospheric pressure” is the ‘pressure’ exerted by the ‘weight’ of ‘air’ in the ‘atmosphere’ of ‘earth’*
(or that of another ‘planet’)

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(in most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point)

(on a given plane, low-pressure areas have less atmospheric mass above their location, whereas high-pressure areas have more atmospheric mass above their location)

(likewise, as elevation increases, there is less overlying atmospheric mass, so that atmospheric pressure decreases with increasing elevation)

(on average, a column of air one square centimeter in cross-section, measured from sea level to the top of the atmosphere, has a mass of about 1.03 kg and weight of about 10.1 N (2.28 lbf).

(a column one square inch in cross-section would have a weight of about 14.7Β lbs, or about 65.4Β N)

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*’atmospheric pressure’ is sometimes called “barometric pressure”*

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*WIKI-LINK*

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πŸ‘ˆπŸ‘ˆπŸ‘ˆβ˜œ*β€œPRESSURE POINTS”* ☞ πŸ‘‰πŸ‘‰πŸ‘‰

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