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What is the difference of pressure above and below the miniscus of water?
The pressure above the meniscus in water is lower than the pressure below it. This pressure difference results in the upward capillary action observed in narrow tubes containing water.
How is lift related to air pressure?
Lift is generated when air pressure differences are created above and below an aircraft's wings. The airfoil shape of the wings causes air to move faster over the top surface, resulting in lower pressure compared to the higher pressure beneath the wings. This pressure difference creates an upward force, or lift, allowing the aircraft to rise and stay aloft. Therefore, the relationship between lift and air pressure is fundamental to the principles of flight.
Why is the pressure at 14000 ft above sea level 0.69 ATM while the pressure at 14000 ft below sea level is 470 ATM?
The pressure at different altitudes depends on the weight of the air column above that point. At 14000 ft above sea level, there is less air above causing lower pressure (0.69 ATM). Conversely, at 14000 ft below sea level, there is more air above causing higher pressure (470 ATM).
In general as elevation increases from the ground up what happens to atmospheric pressure?
Pressure decreases. This is because atmospheric pressure is a measure of the weight of the atmosphere weighing down. If you are high in the atmosphere, much of the atmosphere is below you so the pressure from above will be very small.
Which altitudes would have the lowest air pressure and why?
The highest altitudes have the lowest air pressure. Air pressure increases as altitude decreases. Above sea level is lower pressure; below sea level is higher pressure.
Is air pressure greater above the wing or below the wing?
Lower above, and greater below. That's what enables the wing to create lift.
What force is created by high pressure under a wing and low pressure above a wing?
The pressure difference creates lift, which is the force that allows an airplane to take off and stay airborne. This lift force is generated due to the difference in air pressure above and below the wing, with higher pressure below the wing pushing the aircraft up.
What happens when air above an airplane wing is moving faster than air below an airplane wing?
When the air above an airplane wing moves faster than the air below it, a pressure difference is created. This pressure difference generates lift, as the higher pressure below the wing pushes the aircraft upward. This is known as Bernoulli's principle, where increased air speed above the wing results in decreased pressure and lift.
How is pressure related to flight?
Pressure plays a crucial role in flight through the principles of aerodynamics. As an aircraft moves through the air, its wings create differences in air pressure above and below them, generating lift. The shape of the wings, known as airfoils, is designed to facilitate this pressure difference, allowing the aircraft to rise and maintain altitude. Additionally, changes in atmospheric pressure can affect an aircraft's performance and altitude capabilities.
How the aircraft get lift?
If you are asking how an aircraft produces lift, it is quite simple. The shape of the wing causes there to be higher air pressure below the wing than above; causing the wing to rise up, to the area of least resistance.
When an airplane is flying how does the air pressure above a wing compare with that below the wing?
In flight, the air pressure above the wing is less than that below it.
Why does the wingless flying tube stay in the air?
The wind pressure inside the tube is constant, while the pressure outside is not. Also, the pressure above and below the tube are constantly moving at the same rate, therefore same pressure. What happens if there are the same pressure? You get it? When pressure is the same on both sides, it stays in the air! The reason it falls is because it stopped spinning, and therefore the pressure is the same in all three places: Above, Inside, and Below. This is all a lie
What is the difference of pressure above and below the miniscus of water?
The pressure above the meniscus in water is lower than the pressure below it. This pressure difference results in the upward capillary action observed in narrow tubes containing water.
How does air traffic control know what barometric pressure to give pilots enroute?
Typically, enroute aircraft cruise at or above FL180, in which the barometric pressure (or altimeter) setting is standardly 2992. However, if aircraft are below FL180, ATC must issue the nearest accurately reported altimeter setting from an airport every few miles.
Why is air pressure greater below the wing's surface?
It's not so much that the air pressure below a wing is greater as it is the pressure above it is less. The way a wing works, is the airfoil (shape of the wing) accelerates the air above the wing. Since the air is moving faster, it lowers the air pressure, resulting in a lower pressure above, and a higher(standard) pressure below, creating lift.
How does the design of an airfoil contribute to the generation of lift in an aircraft?
The design of an airfoil, which is the shape of the wing, contributes to the generation of lift in an aircraft by creating a pressure difference between the upper and lower surfaces of the wing. This pressure difference causes the air above the wing to move faster than the air below, creating lift as a result of the Bernoulli principle.
Why are aircraft cabins pressurised?
So the passengers can breath the required percentage of Oxygen needed. Correct answer, just elaborating... Above 10,000 ft there isn't enough oxygen in the air to sustain life. Cabins are pressurized so your pulmonary system thinks it's still at a lower altitude. With a higher pressure inside the cabin than outside, the aircraft's fuselage is like a balloon. That's also why cabin door latches don't open unless the pressure is the same inside as outside and why your ears don't 'pop' when the doors are opened after landing. Below 10,000 ft the air is breathable. That's why bush planes, helicopters, and puddlejumpers aren't pressurized. These aircraft can fly above that altitude, but the pilot will black out unless he/she is on oxygen.
