what is atmospheric pressure?

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what is atmospheric pressure?

confused

2007-12-19 12:20:38 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics

2 answers

Atmospheric pressure is always 1 atmospheres, 760 mm Hg, 760 torr, 101.3 kPa. Total pressure is gauge pressure plus atmospheric pressure. Gauge pressure is pressure of a system i.e something underwater has fluid pressure and atmospheric pressure.

2007-12-19 12:25:54 · answer #1 · answered by icyice519@sbcglobal.net 2 · 0⤊ 0⤋

It is the force due to gravity of the mass of air around and above us. It varies based on elevation, humidity, and temperature. Typically it is about 14.7 lbs per square inch.

2007-12-19 12:25:44 · answer #2 · answered by Gary H 7 · 0⤊ 0⤋