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The weight of air is caused by the gravitational force acting on the mass of air molecules. Air is composed of various gases, primarily nitrogen and oxygen, which have mass. When these gas molecules are pulled toward the Earth's surface by gravity, they exert pressure and create weight. This weight is distributed evenly in all directions, contributing to atmospheric pressure.
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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.
Why is the air pressure higher when you get closer to the ground?
Air pressure increases with decreasing altitude because the weight of the air above pushes down on the air below, compressing it. This compression causes the air molecules to be closer together, increasing the pressure.
What causes air preasure?
Air pressure is caused by the weight of air molecules pressing down on a surface due to gravity. The pressure decreases with increasing altitude as the column of air above decreases. Temperature, altitude, and weather patterns can also affect air pressure.
Why do beaker need to cool before weighing?
A hot beaker warms the air around it, which causes it to rise. For very sensitive balances, the updraft produced can reduce the measured weight.
What is the weight of the overlying of air?
The weight of the overlying air, also known as air pressure, is about 14.7 pounds per square inch (psi) at sea level. This pressure decreases with increasing altitude as the weight of the air above decreases.
What if your weight equals your?
When your weight equals ur mass it causes friction in the air
What causes air pressure in the air?
It is the weight of the air itself that causes air pressure. Fluctuations occur due to changes in wind and temperature. We live in air pressure of about 15 pounds per square inch.
What is the force you exert on an airplane as it is flying in the air?
Weight. Also, the moving air around the plane causes friction
Gravity causes water other fluids and air to have weight and thus to exert pressure?
Yes.
What causes the air pressure drop as you travel upward from earth's surface?
Pressure is the weight of air column on unit area. As you go upward, this air column gets shorter, its weight gets less, hence air pressure gets lower.
How does gravity cause air pressure?
Gravity causes air pressure by pulling air molecules towards the Earth's surface. The weight of the air above creates pressure on the air below it. The higher you go, the lesser the air pressure due to less weight above pushing down.
What is draft in a boiler?
when the weight of warm air in the stack is less than the cool air around the stack , it causes an upward flow pulling air thru the furnace
What is draft in boiler?
when the weight of warm air in the stack is less than the cool air around the stack , it causes an upward flow pulling air thru the furnace
What is the result of the weight of a column of air pushing down on a area?
You might have expected the result to be pressure, but it's not. Pressure occurs due to the bombardment of air molecules on a surface. The weight of a column of air causes so little pressure that it can be considered negligible.
What is the result of weight of a column of air pushing down on a area?
You might have expected the result to be pressure, but it's not. Pressure occurs due to the bombardment of air molecules on a surface. The weight of a column of air causes so little pressure that it can be considered negligible.
What is the result of the weight of a column of air pushing on an area?
You might have expected the result to be pressure, but it's not. Pressure occurs due to the bombardment of air molecules on a surface. The weight of a column of air causes so little pressure that it can be considered negligible.
How does pressure cause air to move?
Pressure cause air to move because all the weight pushes up or down and causes it to go the opposite direction.
