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73 Cards in this Set
- Front
- Back
____ is the upward-acting force created when an airplane's wings move through the air
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Lift
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Forward movement produces a slight difference in pressure between _________________
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the wings' upper and lower surfaces.
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Forward movement produces a slight difference in pressure between the wings' upper and lower surfaces. This difference becomes ______.
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Lift
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_______ is the downward-acting force.
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Weight
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Weight is the _________-acting force.
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downward
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In ___________ (when the airplane's speed and direction are constant), the opposing forces of lift and weight are in balance
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Unaccelerated flight
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In unaccelerated flight (when the airplane's speed and direction are _______), the opposing forces of lift and weight are in balance
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Constant
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In unaccelerated flight (when the airplane's speed and direction are constant), the opposing forces of ____ and _____ are in balance.
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Lift, weight
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_____ is a forward-acting force produced by an engine-spun propeller
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Thrust
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Thrust is a ________-acting force produced by an engine-spun propeller
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Forward
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________ movement always generates an aerodynamic penalty called drag.
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Forward
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Forward movement always generates an aerodynamic penalty called ______.
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Drag
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______ pulls rearward on the airplane and is simply the atmosphere's molecular resistance to motion through it.
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Drag
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_______ causes the airplane to accelerate, but drag determines its final speed.
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Thrust
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Thrust causes the airplane to _______, but drag determines its final speed.
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Accelerate
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Thrust causes the airplane to accelerate, but _____ determines its final speed.
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Drag
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Thrust causes the airplane to accelerate, but drag determines its ________.
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Final speed
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As the airplane's _______ increases, its drag also increases.
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Velocity
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As the airplane's velocity _______, its drag increases.
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Increases
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As the airplane's velocity increases, its ______ increases.
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Drag
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As the airplane's velocity increases, its drag _________.
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Increases
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Due to the perversity of nature, ______ the airplane's speed quadruples the drag.
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Doubling
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Due to the perversity of nature, doubling the airplane's ________ quadruples the drag.
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Speed
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Due to the perversity of nature, doubling the airplane's speed _________ the drag.
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Quadruples
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Due to the perversity of nature, doubling the airplane's speed quadruples the ______.
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Drag
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the _______ pull of drag equals the engine's thrust, and a constant speed is attained.
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Rearward
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the rearward pull of ______ equals the engine's thrust, and a constant speed is attained.
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Drag
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the rearward pull of drag equals the engine's ______, and a constant speed is attained.
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Thrust
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At less-than-maximum ______ in level flight, there's power (thrust) to spare.
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Speed
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Excess _______ can be applied to perform one of aviation's most important maneuvers—the climb.
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Thrust
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Excess thrust can be applied to perform one of aviation's most important maneuvers—the _______.
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Climb
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The three axes of an airplane.
1-________ Axis (Yaw), 2-Longitudinal Axis (Roll), 3-Lateral Axis (pitch) |
Vertical
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The three axes of an airplane.
1-Vertical Axis (_____), 2-Longitudinal Axis (Roll), 3-Lateral Axis (pitch) |
Yaw
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The three axes of an airplane.
1-Vertical Axis (Yaw), 2-_________ Axis (Roll), 3-Lateral Axis (pitch) |
Longitudinal
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The three axes of an airplane.
1-Vertical Axis (Yaw), 2-Longitudinal Axis (______), 3-Lateral Axis (pitch) |
Roll
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The three axes of an airplane.
1-Vertical Axis (Yaw), 2-Longitudinal Axis (Roll), 3-________ Axis (pitch) |
Lateral
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The three axes of an airplane.
1-Vertical Axis (Yaw), 2-Longitudinal Axis (Roll), 3-Lateral Axis (______) |
Pitch
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The ___________, or long, axis runs through the centerline of the airplane from nose to tail.
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Longitudinal
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The longitudinal, or _____, axis runs through the centerline of the airplane from nose to tail.
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Long
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The longitudinal, or long, axis runs through the _________ of the airplane from nose to tail.
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Centerline
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The longitudinal, or long, axis runs through the centerline of the airplane from _____ to _____.
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Nose, tail
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Airplanes ____, or ____, about their longitudinal axis.
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Roll, bank
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Airplanes roll, or bank, about their _______ axis.
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longitudinal
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the _______ axis runs sideways through the airplane from wingtip to wingtip
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Lateral
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the lateral axis runs sideways through the airplane from _______ to _______
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wingtip, wingtip
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Airplanes ______ about their lateral axis.
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Pitch
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Airplanes pitch about their _______ axis.
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lateral
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The ________ axis of the airplane runs up and down from the cockpit to the belly.
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Vertical
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The vertical axis of the airplane runs up and down from the ______ to the _______.
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Cockpit, belly
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Airplanes _____ about their vertical axis.
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Yaw
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Airplanes yaw about their _______ axis.
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Vertical
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three main flight controls that cause an airplane to move about its axes
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Ailerons, Elevator, rudder
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_______ are the moveable surfaces on the outer trailing edges of the wings.
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Ailerons
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Ailerons are the moveable surfaces on the _____ trailing edges of the wings.
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Outer
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Ailerons are the moveable surfaces on the outer trailing edges of the _______.
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Wings
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When the _____________ is turned, the ailerons simultaneously move in opposite directions
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Control wheel
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When the control wheel is turned, the ________ simultaneously move in opposite directions
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Ailerons
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When the control wheel is turned, the ailerons simultaneously move in ________ directions
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Opposite
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_______ lift with a lowered aileron,
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More
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More _____ with a lowered aileron,
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Lift
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More lift with a ________ aileron,
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Lowered
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More lift with a lowered _______,
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Aileron
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_______ lift with a raised aileron.
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Less
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Less _____ with a raised aileron.
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Lift
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Less lift with a ______ aileron.
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Raised
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Less lift with a raised _______.
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Aileron
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The _____ wing aileron lowers, increasing the lift on the left wing.
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Left
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The left wing ______ lowers, increasing the lift on the left wing.
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Aileron
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The left wing aileron _______, increasing the lift on the left wing.
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Lowers
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The left wing aileron lowers, ________ the lift on the left wing.
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Increasing
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The left wing aileron lowers, increasing the _____ on the left wing.
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Lift
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The left wing aileron lowers, increasing the lift on the ____ wing.
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Left
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The left wing aileron lowers, increasing the lift on the left _____.
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Wing
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