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The air under the plane's wings exerts pressure.

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12y ago

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Can an airplane stay in the sky?

I am going to assume that aeroplane=airplane when I answer this. An airplane stays in the air by generating lift on its wings. As long as an airplane can generate sufficent lift it can stay in the air. However once the lift being generated falls below what is required for the plane to stay up... uh oh.


How is the airplane flies?

High air pressure builds up under the wings, and low air pressure goes over the wing, and that makes lift. Thrust from engine pushes it forward.


What role does gravity play in propelling an airplane through the air?

There are four forces acting on an airplane when it is in the sky: lift, gravity, momentum and drag. The lift makes the plane go up, gravity acts against it. The momentum of the plane makes it go forward, drag makes it go slower. Thus, gravity doesn't really even have to do with moving the plane forward.


What force pushes an airplane wing up?

The force that pushes an airplane wing up is called lift. Lift is generated by the difference in air pressure above and below the wing, created by the wing's shape and angle of attack. This force allows the airplane to overcome gravity and stay airborne.


How does a 3 ton airplane lift up in the air?

Pressure below the wing is higher, causing air to rush upwards, trying to get above the wing, causing lift.


What is lift on a airplane?

Lift is what " Lifts" an airplane off of the ground. Most commonly an airfoil wing is used to achieve lift. An airfoil is when the top of the wing is curved and the bottom is flat. This makes the pressure go fast over the top and slow underneath. This means more pressure under it at one time so that makes it go up! I hope that helped you!


Why do airplanes stand up?

The quick answer is that the engines on the airplane is design to push air straight backwards this makes the airplane accelerate straight forward. When the airplane wants to lift whe have to get a force that pushes it upwards(or else it would not lift). The upwards force comes from two major sources, by the air pushed down by the wings(which also are pointing upwards and therefor pushes down the air that passes under them) and by the engine that is pointing downwards.


What does lift do to the airplane?

Lift is the aerodynamic force that pushes the airplane upwards, opposing the force of gravity. It is generated by the wings of the airplane as they move through the air and create a pressure difference between the upper and lower surfaces of the wing. This lift allows the airplane to stay airborne and maneuver in the sky.


How do planes stay up?

Planes stay up in the air due to the lift generated by their wings as they move through the air. The shape of the wings creates a pressure difference between the top and bottom surfaces, causing the plane to be pushed upward. This lift force counteracts the force of gravity, allowing the plane to stay airborne.


What holds an airplane up?

lift


Describe how an airplane stays in the air?

This is interesting: The engines produce forward thrust, which in turn makes the aircraft go forward. The wings are airfoil-shaped, so, when the aircraft moves forward they push air downward, which in turn pushes the aircraft upwards.


How are lifts and thrusts used on an airplane?

Lift and thrust is what enables an airplane to maintain flight. Lift is generated by the wings, and thrust is generated by the engine or propeller. Combined they enable the aircraft to fly. Air currents and up-drafts, on an aircraft that does not have an engine (like a glider), also help generate lift and thrust to keep such an aircraft in the air. However, gliders get into the air by being towed by an airplane, or by a sort of sling-shot.