Flight & Energy Resources 2

_________is the angle a wing makes with oncoming air flow.

• Angle of attack

• Angle of flight

• Angle of air

• Angle of drag

The __________ is the line from one side of the wing to the other.

• Lift

• Drag

• chord line

• Stalling

___________ means the aircraft has lost or reduced its lift because its angle of attack was increased too much.

• Drag

• Stalling

• Lift

• Chord

The angle of attack is around 3 degrees before take off.

• True

• False

Reaching the critical angle of attack could lead to an airplane stalling.

• True

• False

____ is a force that acts upon an onject in the opposite direction that it is moving.

• Drag

• Aerodynamics

• Lift

• Chord

____________ means we make objects that have a shape which reduces the drag from air moving past.

• Drag

• Aerodynamics

• Lift

• Gravity

The less drag an airplane experiences, the ___________fuel it needs to fly at the same speed.

• less

• more

Which of these is a mechanism that produces drag for falling objects.

• elevator

• stairs

• parachute

• wind

An aerodynamic aircraft struggle to fly through the air.

• True

• False