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How does a jet aircraft stay up in the air?
A plane’s engines are designed to move it forward at high speed. That makes air flow rapidly over the wings, which throw the air down toward the ground, generating an upward force called lift that overcomes the plane’s weight and holds it in the sky. The wings force the air downward and that pushes the plane upward.
Can passenger flight stand mid air?
No. Airflow over the wings is needed to generate lift. When the plane flies too slow or even “stops” midair there will be no lift and the plane falls out of the sky. This is called a stall and can be very dangerous, as no airflow goes over the control surfaces, making the plane practically out of control.
Can a passenger plane stand still in the air?
Techincally, there is only one way for the aircraft to remain hanging motionless in the air: if weight and lift cancel each other out perfectly, and at the same time thrust and drag cancel each other out too. But this is incredibly rare. To stay in the air and sustain its flight, an aircraft needs to be moving forward.
Can a plane stop in mid air?
How long can a passenger plane stay in the air?
When the 747 is cruising in air, it burns approximately 4 liters of fuel per second. That equals 240 liters per minute and 14,400 liters per hour. So that means the plane can technically cruise on air for around 11 hours, after considering take-off and landing.
How do planes stay in the air?
The short answer involves engaging lift and thrust, as is necessary for all flight. The long answer involves a series of carefully-coordinated checks to ensure the right lift and thrust-related actions are performed at the right times. How Do Planes Stay In The Air?
How do planes get extra lift at takeoff?
To produce extra lift at takeoff, planes have flaps on their wings they can extend to push more air down. Lift and drag vary with the square of your speed, so if a plane goes twice as fast, relative to the oncoming air, its wings produce four times as much lift (and drag).
How does an upside down plane generate lift?
As long as the wings are creating a downward flow of air, the plane will experience an equal and opposite force—lift—that will keep it in the air. In other words, the upside-down pilot creates a particular angle of attack that generates just enough low pressure above the wing to keep the plane in the air. How much lift can you make?
How does a plane get off the ground?
In terms of takeoff itself, that basic principle of lift plus thrust described at the beginning is what helps get the plane off the ground. There are, however, several steps which are particular to takeoff which break that down even further.