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Q:

How are planes simalar to birds?

A:

People have looked up at birds for years and they have inspired us to fly. Airplanes have wings, just like birds. They also have a light skeleton (or framework) to decrease their weight, and they have a streamlined shape to decrease drag.

The big difference is that airplanes do not flap their wings. Airplane wings are designed to create lift by changing the pressure, rather than by flapping them up and down. 

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Categories: Aerodynamics