AS200-C1L2 - VQ

The science of travel through air.

• Astronomy

• Aerospace

• Aeronautics

• Astronautics

The speed of an aircraft relative to the air through which it is moving.

• A. Airspeed

• B. Mach speed

• C. Ground speed

• D. Variable speed

The drag created when lift is produced.

• Viscous drag

• Induced drag

• Parasite drag

• Frictional drag

The drag that is not associated with the production of lift.

• Viscous drag

• Induced drag

• Parasite drag

• Frictional drag

Rounded metal plates that are designed to reduce drag.

• Fillets

• Fairings

• Elevator

• Winglets

Rounded pieces of metal placed at intersections on the aircraft to help reduce drag.

• Flaps

• Fillets

• Fairings

• Winglets

Whirlpool of air.

• Vortex

• Cyclone

• Rotation

• Countercurrent

The water vapors in engine exhaust that you see streaked across the sky after an aircraft passes overhead.

• Downwash

• Wingtip vortex

• Ground effect

• Condensation trails

The upward facing tips at the end of the wings.

• Flaps

• Slats

• Aileron

• Winglets

A sudden change in airflow by eddies (whirling motion of air) and currents.

• Vortex

• Downwash

• Turbulence

• Wake turbulence