0
Why air is not drawn upward as the pressure at higher altitudes is greater than that in lower altitudes?
When I point out the fallacies in the question, it will be answered.
-- The pressure at higher altitudes is less than the pressure at lower ones.
-- The pressure acts downwardanyway.
Just keep in mind that the whole phenomenon of air pressure is the result
of the weight of air, meaning the force of gravity attracting air toward the
center of the Earth. Notice how all fear, doubt, and confusion have vanished
as if by magic.
What else can I help you with?
What happens to air pressure when you move upward away from sea level?
Air pressure decreases as you move upward away from sea level due to a decrease in the weight of the air above. This decrease in pressure can cause discomfort in the ears and reduce the availability of oxygen for breathing at higher altitudes.
Does the atmospheric pressure increase or decrease as you move upward away from sea level?
Atmospheric pressure decreases as you move upward away from sea level due to the decrease in the weight of the air above pushing down. This means that atmospheric pressure is lower at high altitudes and higher at lower altitudes, such as at sea level.
What happens when moist air risis?
When moist air rises, it expands and cools due to the decrease in atmospheric pressure at higher altitudes. As the air cools, the water vapor it contains can condense into tiny droplets, forming clouds. This process releases latent heat, which can further enhance the upward motion of the air, potentially leading to the development of storms or precipitation. If the rising continues, it can result in various weather phenomena, such as rain or thunderstorms.
Does upthrust increase as you go deeper into water?
Yes, upthrust, also known as buoyant force, increases as you go deeper into water because the pressure at greater depths increases due to the weight of the water above. This increased pressure causes objects to experience a greater upward force, resulting in an increase in upthrust.
How does air pressure affect lift on a kite?
Air pressure affects lift on a kite by creating a pressure difference between the top and bottom surfaces of the kite. This pressure difference results in a force called lift that allows the kite to rise and stay airborne. Higher air pressure below the kite and lower air pressure above it lead to an upward force that keeps the kite aloft.
What happens to air pressure when you move upward away from sea level?
Air pressure decreases as you move upward away from sea level due to a decrease in the weight of the air above. This decrease in pressure can cause discomfort in the ears and reduce the availability of oxygen for breathing at higher altitudes.
Why does buoyant force act upward on an object submerged in water?
Buoyant force acts upward on an object submerged in water due to the difference in pressure exerted by the water at different depths. The pressure at greater depths is higher, leading to a greater force pushing upward on the object, thus creating the buoyant force that opposes gravity. This buoyant force helps objects float or experience less weight when submerged in water.
Does the atmospheric pressure increase or decrease as you move upward away from sea level?
Atmospheric pressure decreases as you move upward away from sea level due to the decrease in the weight of the air above pushing down. This means that atmospheric pressure is lower at high altitudes and higher at lower altitudes, such as at sea level.
Why does a fountain pen starts leaking at higher altitudes?
A fountain pen may leak at higher altitudes due to changes in air pressure affecting the ink flow within the pen. The lower air pressure can cause the ink to expand and contract more, leading to potential leaks through the nib or cartridge. It is advisable to store fountain pens in a horizontal position or with the nib pointing upward to minimize the risk of leaking.
What is the upward force due to a pressure difference between the top and bottom of a wing?
The upward force due to a pressure difference is called lift. It is generated when the air pressure below the wing is higher than the pressure above the wing, creating a pressure difference that causes the wing to be pushed upward.
When the pressure at the bottom of a submerged object is greater than the pressure at the top of the submerged object a buoyant force is producE?
Yes, when the pressure at the bottom of a submerged object is greater than the pressure at the top, there is a net upward force acting on the object due to the difference in pressure. This upward force is the buoyant force, which acts in the opposite direction of gravity, causing objects to float or rise in a fluid.
When an airplane is ascending is pressure greater above the wings or below the wings?
Faster-moving air across the top of the wing lowers the pressure there. For a plane to ascend, the pressure must be sufficiently lower on top of the wing, and it will be forced upward by the greater pressure below the wing.
If the air moves faster above an object does pressure push the object upward or downward?
If the air moves faster above an object, it creates a lower pressure area. In response, the higher pressure beneath the object will push it upward. This mechanism is known as lift and is how airplanes generate the force needed to fly.
Why does the buoyancy force on an object act upward?
The buoyancy force is the upward force exerted on an object immersed in a fluid due to the pressure difference between the top and bottom of the object. This pressure difference results in a net upward force that is greater than the downward force of gravity, causing the object to float.
Why does buoyant force act upward?
The buoyant force on an object submerged in a fluid is caused by the pressure difference between the top and bottom of the object. To overcome the gravitational force, the buoyant force acts in the upward direction. The larger pressure at greater depth pushes upward on the object.
Why water pressure is low at high buildings?
The greater the height to which water is being lifted, the greater the weight of the column of water that you are lifting (for a given cross-sectional area), and the greater the gravitational force which acts against the water pressure that drives the water upward. This is true regardless of the diameter of the pipe, because larger pipes give you more water pressure but also give you more water, and more weight, counteracting the pressure.
Why are the walls of a dam made thick at the bottom and thin upward?
The deeper the depth, the greater is the pressure the weight of water puts on the dam wall.
