Atmosphere pressure from gravitation

Thread starter scientifico
Start date Nov 28, 2012
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Atmosphere Gravitation Pressure

In summary, atmosphere pressure is the force per unit area exerted by the weight of Earth's atmosphere and is measured using a barometer. Gravity affects atmosphere pressure by causing air molecules to become more densely packed at lower altitudes. Various factors such as temperature, altitude, and weather patterns can affect atmosphere pressure. It can impact our daily lives by influencing weather patterns and causing discomfort for individuals with respiratory issues.

Nov 28, 2012

scientifico

Hello, can I calculate the pression of the atmosphere at a certain height using the gravitational law ?

thank you

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Nov 28, 2012

haruspex

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Yes, but it is complicated by the temperature profile, which can vary.
http://en.wikipedia.org/wiki/Barometric_formula

Related to Atmosphere pressure from gravitation

1. What is atmosphere pressure?

Atmosphere pressure, also known as air pressure, is the force per unit area exerted by the weight of Earth's atmosphere. It is caused by the gravitational pull of the Earth on the air molecules in the atmosphere.

2. How is atmosphere pressure measured?

Atmosphere pressure is measured using an instrument called a barometer. A common type of barometer is the mercury barometer, which measures the height of a column of mercury in a sealed tube to determine the pressure exerted by the atmosphere.

3. How does gravity affect atmosphere pressure?

The force of gravity pulls the air molecules towards the Earth's surface, causing them to become more densely packed. This leads to an increase in atmosphere pressure at lower altitudes, as there are more air molecules pressing down on a given area.

4. What factors can affect atmosphere pressure?

Atmosphere pressure can be affected by changes in temperature, altitude, and the amount of water vapor in the air. Changes in weather patterns and the Earth's rotation can also impact atmosphere pressure.

5. How does atmosphere pressure impact our daily lives?

Atmosphere pressure plays a crucial role in weather patterns and can affect our daily lives in various ways. High atmosphere pressure can bring clear skies and pleasant weather, while low atmosphere pressure can lead to stormy and windy conditions. Changes in atmosphere pressure can also cause discomfort for individuals with respiratory issues, such as asthma.