Atmospheric pressure, sometimes also called barometric pressure, is the
pressure exerted by the weight of air in the atmosphere of Earth In most
Atmospheric pressure is defined as the force per unit area exerted against a
surface by the weight of the air above that surface. In the diagram below, the ...
Atmospheric pressure definition, the pressure exerted by the earth's atmosphere
at any given point, being the product of the mass of the atmospheric column of ...
This is under static conditions with no air flow through the system so that all parts
of it are at atmospheric pressure. The fact that open liquids will seek a common ...
Understanding air pressure. The weight of the air pressing down on the Earth, the
ocean and on the air below causes air pressure. Earth's gravity, of course, ...
Introduction. Air is a tangible material substance and as a result has mass. Any
object with mass is influenced by the universal force known as gravity. Newton's ...
Aug 29, 2013 ... Atmospheric pressure is the force exerted against a surface by the weight of the
air above the surface.
Pressure caused by the weight of the atmosphere. At sea level it has a mean
value of one atmosphere but reduces with increasing altitude. Also called ...
Oct 26, 2012 ... Another visit from America's favorite science teacher Bill Nye. Today he explores
the forces of our atmosphere in three experiments ...
Feb 27, 2013 ... Atmospheric pressure plays an essential role in respiration and the function of
many devices, including water pumps, syringes and drinking ...