Principles of Flight

THE FOUR FORCES OF FLIGHT During flight, the four forces acting on the airplane are lift, weight, thrust, and drag. Lift is the upward force created by the effect of airflow as it passes over and under the wings. It supports the airplane in flight. Weight opposes lift. It is caused by the downward pull…

Airplanes

One of the first things you are likely to notice during a visit to your local airport is the wide variety of airplane styles and designs. Although, at first glance, you may think that airplanes look quite different from one another, you will find that their major components are quite similar. THE FUSELAGE The fuselage…