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The pressure caused by the weight of the atmosphere is known as atmospheric pressure, which at sea level averages about 101.3 kilopascals (kPa) or 14.7 pounds per square inch (psi). This pressure is generated by the weight of air molecules above a given point, exerting force on the Earth's surface due to gravity. Atmospheric pressure decreases with increasing altitude as there is less air above to exert pressure.
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What causes the pressure of the atmosphere?
Atmospheric pressure is caused by the force of the air above the earths surface. It is measured by the point in which the air meets the atmosphere.
What Measures AtMosphere Pressure?
The atmosphere pressure is commonly measured using a device called a barometer. This instrument detects the weight of the air above it, which decreases as altitude increases. The most common unit of measurement for atmosphere pressure is the bar or millibar.
Does the atmosphere exert pressure on us?
Yes, the atmosphere exerts pressure on us due to the weight of the air above us. This pressure is known as atmospheric pressure and can be felt as we move higher or lower in elevation.
Why is the atmospheric pressure on moon is zero?
The atmospheric pressure on the moon is essentially zero because the moon does not have a significant atmosphere. Unlike Earth, which has a dense atmosphere that exerts pressure due to the weight of the air above us, the moon lacks this gaseous envelope and thus has almost no atmospheric pressure.
Atmospheric pressure is caused by what?
force = pressure x area , so pressure is force divided by area, air molecules stack up on top of each other and the force of them (caused by gravity and their mass ) weighs down with a pressure of 14.7 lbs/sq inch or 1 bar. As you go higher the stack is lower so the pressure drops until you get to space and it measures a vacuum.
The atmospheric condition that is caused by the weight of gases in the atmosphere is?
Barometric pressure
Why does the atmosphere exert pressure?
The atmosphere exerts pressure because of the weight of the air above pushing down on the air below. This pressure is caused by the force of gravity acting on the mass of the air molecules in the atmosphere.
Why does pressure drop as you travel upward from earth surface?
Air pressure is caused by the weight of the atmosphere above an object. When one goes higher, there is less air above and so the pressure drops.
What is atmosheric pressure and what causes it?
Atmospheric pressure is the force exerted by the weight of air in the Earth's atmosphere. It is caused by the gravitational pull of the Earth on the air molecules and decreases with altitude.
The energy source responsible for the motion of molecules that make up the atmosphere is a the pressure caused by the weight of air b solar power c atmospheric tides d natural kinetic energy?
The energy source responsible for the motion of molecules in the atmosphere is the pressure caused by the weight of the air. This pressure gradient drives the movement of air molecules from areas of high pressure to areas of low pressure, creating winds and atmospheric circulation patterns.
What factor causes atmosphere pressure?
Weight of the atmosphere above a surface.
Which factor causes atmospheric pressure?
Atmospheric pressure is primarily caused by the weight of air above a specific point on the Earth's surface. Gravity pulls air molecules towards the Earth, creating a force that results in atmospheric pressure.
What is most responsible for the pressure in the earths atmosphere?
The weight.
What is the weight of the air pushing down on the earth?
The weight of the air pushing down on Earth's surface is due to air pressure, which averages around 14.7 pounds per square inch (psi) at sea level. This pressure is caused by the force exerted by the weight of the air molecules in the atmosphere above.
Atmospheric condition that is caused by the weight of gases in the atmosphere is?
Weather
What is the weight or force of the air in the atmosphere?
The weight of the air in the atmosphere exerts pressure known as atmospheric pressure. On average, this pressure at sea level is about 14.7 pounds per square inch (psi) or 101.3 kilopascals.
What is cause of atmospheric pressure?
Just as water pressure is caused by the weight of water, atmospheric pressure is caused by the weight of the air. Pg. 126 Conceptual Physical Science 4th Edition.
