i have a question and i have no answer to it.....
How does atmosphetic pressure change as you move away from the surface of Earth.
i think the answer is gravity, I THINK NOT S.U.R.E. OF IT......................................................
thank uuuuuuuuuuuuuuuuuuuuuuuuuuuu
For one thing it has to do with the number of molecules in a given space.
Atmospheric pressure decreases as one leaves the surface of the earth. The atmospheric pressure is lower on Pike's Peak than at sea level because of the elevation of Pike's Peak. Astronauts need space suits and oxygen when in space in order to live because there is no atmosphere in space to have a pressure.
Remember, atmospheric pressure is due to the force of gravity on all the air above you. As you go up, the amount of air is less above you, and the attraction of gravity is lessened a little.
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You're welcome! I can help you find the answer to your question.
As you move away from the surface of the Earth, the atmospheric pressure decreases. This decrease is primarily due to gravity and the way it affects the distribution of air molecules in the atmosphere.
To understand this better, let's delve into the details:
1. Gravity: Gravity is the force that attracts all objects with mass towards each other. On Earth, gravity pulls everything towards its center. As you move away from the surface of the Earth, the gravitational force weakens, resulting in less pressure pushing down on the atmosphere.
2. Air density: The atmosphere is composed of a mixture of gases, primarily nitrogen and oxygen. The molecules of these gases are constantly moving and colliding with each other. Gravity causes the air to be denser near the Earth's surface where the force is strongest. As you move higher into the atmosphere, there are fewer air molecules above you, resulting in lower atmospheric pressure.
3. Atmospheric layers: The Earth's atmosphere can be divided into different layers based on temperature profiles. The lowermost layer, called the troposphere, is where weather occurs and where we live. Above the troposphere is the stratosphere, followed by the mesosphere, thermosphere, and exosphere. Each of these layers has its own characteristics, which affect the rate at which atmospheric pressure changes with altitude.
If you want to calculate the exact atmospheric pressure at a given altitude, you can use the barometric formula or consult a pressure-altitude chart. These charts display the relation between altitude and atmospheric pressure at different locations.
In summary, as you move away from the Earth's surface, the atmospheric pressure decreases due to the weakening gravitational force and the decreasing density of air molecules. I hope this explanation helps you understand the concept better!