Topic: Things On Air Pressure
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Answers to Common Questions
What Causes Air Pressure?
Air is made up of molecules which has mass and takes up space. Air pressure results in the weight of the air above a certain point on the earth. It is caused by the pull of the Earth's gravity on the molecules. Read More »
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What is Air Pressure?
Air pressure can be very important when it comes to things such as tires for automobiles and etc. It basically means the amount of air that fits into a space per square inch. Read More »
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How Air Pressure Works?
Air pressure, also known as atmospheric pressure, is the force per unit area placed on a surface by the mass of air above that surface. Based on this definition, air pressure variation occurs because of the varying masses of air at differen... Read More »
Source: http://answers.ask.com/Science/Physics/how_air_pressure_works
More Common Questions
Answers to Other Common Questions
Air Pressure is defined as Pressure exerted by air molecules on a body on Earth. Air has specific weight and due to gravity force on it always acts downwards and creates pressure.
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Air pressure is measured using a barometer, in millibars.PSI is common air pressure measure.Air pressure is also called as barometric pressure as barometers are used to measure barometric pressure to sea level.
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It controls the weather from day to day. It also effects the four seasons throughout the year. This how the weatherman can tell us the forecast. For more information look here: http://www.rcn27.dial.pipex.com/cloudsru...
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Source: http://answers.ask.com/Science/Physics/why_is_air_pressure_import...
In the United States, air pressure is generally measured in pounds per square inch or psi. The metric equivalent of psi is pascals or kilo-pascals.
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The affects of air pressure are gravity, altitude, and whether systems. One of the reasons why you have air pressure, is because of gravity.
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Low air pressures forms when an air mass gets warms from being over warm land, an ocean surface or from getting warm from condensation of water vapor in rain or snow systems.
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Issac Newton the first European to discover the pressure measurement in units. It was later discovered by a French scientist that pressure decreases with height. For more information, look here: http://www.factmonster.com/cig/weather/p...
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