Flight Vocabulary

1. the steepness of a slope
4. flat piece, usu. of wood, metal, or plastic, hinged vertically near the stern of a boat or ship for steering.
6. Third Law For every action, there is an equal and opposite reaction.
9. the angle between the chord of an airfoil and the direction of the surrounding undisturbed flow of gas or liquid.
11. move or cause to move in a particular direction by turning over and over on an axis.
12. a hinged flap on the horizontal stabilizer of an aircraft
14. a structure with curved surfaces designed to give the most favorable ratio of lift to drag in flight,
15. move with a smooth continuous motion
17. a twisting or oscillation of a moving ship or aircraft around a vertical axis.

2. remain in one place in the air.
3. is the force produced by the engine
5. Principle the principle in hydrodynamics that an increase in the velocity of a stream of fluid results in a decrease in pressure. Also called Bernoulli effect or Bernoulli theorem.
7. a hinged surface in the trailing edge of an airplane wing
8. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
10. device controlling the flow of fuel or power to an engine.
13. the projection onto the two directions perpendicular to the relative wind.
16. the projection onto the direction parallel to the relative wind.