LIFT

Lift pushes the airplane up. The way air moves around the wings gives the airplane lift. The shape of the wings helps with lift, too.
 

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WEIGHT

Weight is the force that pulls the airplane toward Earth. Airplanes are built so that their weight is spread from front to back. This keeps the airplane balanced.
 

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THRUST

Thrust is the force that moves the airplane forward. Engines give thrust to airplanes. Sometimes an engine turns a propeller. Sometimes it is a jet engine. It doesn't matter as long as air keeps going over the wings.
 

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DRAG

Drag slows the airplane. You can feel drag when you walk against a strong wind. Airplanes are designed to let air pass around them with less drag.
 

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An airplane flies when all four forces work together. 
 
 
PARTS OF A PLANE

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DIAGRAM OF A JET ENGINE

 

 

JET ENGINE

 


 

HISTORY OF

FLIGHT

in pictures

     
   

 

In 1783 the Montgolfier brothers gave a flight demonstration in their balloon.


   
         
 
wright brothers' glider   Flight over Chicago 1911  

 

Orville Wright makes the first successful controlled airplane flight in history, on December 17, 1903. The flight took place at Kill Devil Hills, North Carolina.

         
   
World War I dogfight  

women factory workers during World War II

  United States Air Force, The: F-16 Fighting Falcons
         
     

 

Concorde

The Concorde was a passenger aircraft that could fly faster than the speed of sound.

  Airplanes are parked between missions on the flight deck of a nuclear-powered aircraft carrier.    
         

 

Parts of a Helicopter

         
         

 

 

 

Amazing Paper Airplanes