Airplanes need to fly forward in order to stay in the air. They need air passing over the wings in order to stay in flight. Without air passing over the wing, bernoulli's principle can't take effect and the airplane would fall.
Airplanes can not fly straight up and down or hover.
Airplanes use air for lift and for thrust. If there's no atmosphere, they can't fly. Even a jet engine needs to burn and compress air.
Because cats do not have the capability to fly airplanes.
Because people are not able to fly without a airplanes.
You are unable to fly airplanes, however you can fly helicopters.
airplanes can not but satellites can
Type your answer here... airplanes fly in the stratosphere to avoid weather problems
Some airplanes fly through hurricanes to get wind speeds etc.
Lift makes paper airplanes fly, just as it does real planes.magic
2,000 airplanes fly in the air each day.
They fly.
Airplanes fly, trains don't.