Understanding the Theory of Flight

Front

Lift

Back

Upward force counteracting weight

Front

Drag

Back

Resistance force opposite to motion

Front

Thrust

Back

Forward force propelling aircraft

Front

Weight

Back

Downward force due to gravity

Front

Bernoulli's Principle

Back

Faster air = Lower pressure

Front

Angle of Attack

Back

Angle between wing and oncoming air

Front

Airfoil

Back

Shape of wing or blade

Front

Newton's Third Law

Back

Action = Reaction

Front

Stall

Back

Loss of lift due to high angle of attack

Front

Camber

Back

Curvature of an airfoil