Technology
How do airplanes fly?
Airplanes fly by generating lift with their wings. As engines push the plane forward, air moving around the curved wing creates lower pressure on top than below, and that pressure difference lifts the plane — balancing four forces: lift, weight, thrust, and drag.
See it in motion.
Watch a 2-minute animated lesson that shows exactly how airplanes works.
Step by step
- 1Thrust from the engines moves the plane forward through the air.
- 2The wing's shape (airfoil) makes air move faster over the top, lowering pressure there.
- 3The higher pressure below pushes the wing up — that's lift.
- 4Flight is the balance of four forces: lift vs weight, thrust vs drag.
Frequently asked questions
- What are the four forces of flight?
- Lift (up), weight (down), thrust (forward), and drag (backward); flight is managing their balance.
- What is lift?
- The upward force created by air-pressure differences around the wing that holds the plane up.
- How do planes climb and turn?
- By adjusting control surfaces (flaps, rudder, elevators) and engine thrust to change the forces and the plane's angle.