Mechanics of flight, aerodynamics
Bernoulli’s principle states that when a fluid flowing through a tube reaches a constriction or narrowing of the tube the speed of the fluid passing through the constriction is increased and its pressure is decreased.
Source: http://www.tpub.com
What makes an airplane get off the ground and stay in the air? Easy to understand, the film combines animation and live sequences to explain everything about basic aerodynamics. Forces of lift, weight, thrust and drag are shown in relation to flight.