Landing an Aeroplane Using Differential Pressure: A How-To Guide

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Aeroplanes take off by generating lift that overcomes gravity, requiring a nose-high position to achieve necessary lift at takeoff speeds. During landing, lift is reduced so that gravity marginally overcomes it, allowing for a controlled descent. Commercial airliners utilize leading and trailing edge flaps, and some have slats to enhance lift during these phases. Flaps are typically extended partially for takeoff and fully for landing, aiding in safe landings. Overall, aeroplanes land with a slight nose-up attitude rather than completely horizontal.
spiffing_abhijit
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If an aeroplane takes off on the principle of differentiating pressure how does it land too safely in a horizontal way?
 
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Lift is always balanced by gravity. Upon takeoff, increasing the lift overcomes gravity. Upon landing, you reduce lift causing gravity to marginally overcome lift. The operative word here is 'marginally'.
 
Also note, the plane has to go nose-high on both takeoff and landing. It can't be completely horizontal and generate the required lift at takeoff speeds.
 
Some commercial airliners also have a way to extend the nose of the wing to create more lift on landings.
 
Yes, all commercial airliners have both leading and trailing edge flaps and some have slats (difference being with slats, the air flows between the slat and the wing as opposed to just being an extension of the wing). Typically, they are extended a quarter or halfway at takeoff and all the way at landing (a pilot can correct that for me...).
 
Aeroplanes don't land in horizontal...it is slightly higher in the nose part...
 
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