Theory Of Flight Finals

Front 1

the forward force produced by the powerplant/ propeller or rotor.

Back 1

Thrust

Front 2

It opposes or overcomes the force of drag.

Back 2

Thrust

Front 3

As a general rule, thrust acts 1._____ to the 2._______ .

Back 3

1. parallel

2. longitudinal axis

Front 4

Thrust is the 1._____ force produced by the 2._______. It opposes or overcomes the force of 3.______.

Back 4

1. forward

2. powerplant/ propeller or rotor

3. drag

Front 5

a rearward, retarding force caused by disruption of airflow by the wing, rotor, fuselage, and other protruding objects.

Back 5

Drag

Front 6

As a general rule, drag opposes 1._____ and acts 2._______ to the 3.______.

Back 6

1. thrust

2. rearward parallel

3. relative wind

Front 7

Drag is a 1._____, retarding force caused by 2.______ of airflow by the wing, rotor, fuselage, and other protruding objects.

Back 7

1. Rearward

2. disruption

Front 8

is a force that is produced by the dynamic effect of the air acting on the airfoil

Back 8

Lift

Front 9

acts perpendicular to the flight path through the center of lift (CL) and perpendicular to the lateral axis.

Back 9

Lift

Front 10

In level flight, lift opposes the ________.

Back 10

downward force of weight

Front 11

Lift is a force that is produced by the 1._______ acting on the airfoil, and acts 2._______ to the flight path through the center of 3._____ and perpendicular to the 4._____.

Back 11

1. dynamic effect of the air

2. perpendicular

3. lift

4. lateral axis

Front 12

the combined load of the aircraft itself, the crew, the fuel, and the cargo or baggage.

Back 12

Weight

Front 13

is a force that pulls the aircraft downward because of the force of gravity.

Back 13

Weight

Front 14

Weight is the combined load of the 1.______.

Back 14

aircraft itself, the crew, the fuel, and the cargo or baggage

Front 15

Weight is a force that pulls the aircraft 1._______ because of the force of gravity. It opposes 2._____ and acts 3._______ through the aircraft’s center of gravity (CG).

Back 15

1.downward

2. lift

3. vertically downward

Front 16

The axis passes through the CG and parallel to a line from nose to tail

Back 16

Longitudinal axis

Front 17

The motion about the aircraft’s longitudinal axis is

Back 17

Roll

Front 18

Longitudinal axis passes through the CG and parallel to a line from _______

Back 18

nose to tail

Front 19

The axis that passes through the CG at right angles to the other two axis

Back 19

Vertical axis

Front 20

The motion about its vertical axis is

Back 20

Yaw

Front 21

Vertical axis passes through the 1._____ at 2.______ to the othertwo axis

Back 21

1. CG

2. right angles

Front 22

The axis that passes parallel to a line from wing tip to wingtip

Back 22

Lateral axis

Front 23

The motion about its lateral axis is the

Back 23

Pitch

Front 24

Lateral axis passes parallel to a line from ________

Back 24

wing tip to wing tip

Front 25

Whenever an aircraft changes its flight attitude or position in flight, it rotates about _________.

Back 25

one or more of the three axis

Front 26

The axis of an aircraft are three imaginary lines that pass through an aircraft’s 1.______ . The three axis pass through the CG at 2.____ angles to each other.

Back 26

1. CG

2. 90°

Front 27

The three motions of the conventional airplane

Back 27

roll

pitch

yaw

Front 28

Roll is controlled by the _____

Back 28

ailerons

Front 29

Pitch is controlled by the ______

Back 29

elevators

Front 30

Yaw is controlled by the ______

Back 30

rudder

Front 31

is the inherent quality of an aircraft to correct for conditions that may disturb its equilibrium and to return to or to continue on the original flight path.

Back 31

Stability

Front 32

Stability is the inherent quality of an aircraft to correct for conditions that may disturb its 1. ______ and to return to or to continue on the 2._____.

Back 32

1. equilibrium

2. original flight path

Front 33

What is stability?

Back 33

Stability is the inherent quality of an aircraft to correct for conditions that may disturb its equilibrium and to return to or to continue on the original flight path.

Front 34

The two types of stability are:

Back 34

static and dynamic

Front 35

It refers to the initial tendency, or direction of movement, back to equilibrium.

Back 35

Static stability

Front 36

In aviation, it refers to the aircraft’s initial response when disturbed from a given pitch, yaw, or bank

Back 36

Static stability

Front 37

What is static stability

Back 37

It refers to the initial tendency, or direction of movement, back to equilibrium.

Front 38

Static stability refers to the 1.______, or direction of movement, back to equilibrium. In aviation, it refers to the aircraft’s 2.______ when disturbed from a given pitch, yaw, or bank

Back 38

1. initial tendency

2. initial response

Front 39

the initial tendency of the aircraft to return to the original state of equilibrium after being disturbed.

Back 39

Positive static stability

Front 40

What is Positive static stability

Back 40

the initial tendency of the aircraft to return to the original state of equilibrium after being disturbed.

Front 41

Positive static stability is the 1.______ of the aircraft to return to the 2.______of equilibrium after being 3.______.

Back 41

1. initial tendency

2. original state

3. disturbed

Front 42

the initial tendency of the aircraft to remain in a new condition after its equilibrium has been disturbed.

Back 42

Neutral static stability

Front 43

Neutral static stability is the initial tendency of the aircraft to remain in a _______ after its equilibrium has been disturbed.

Back 43

new condition

Front 44

An aircraft that has ________ tends to stay in its new attitude when it's disturbed.

Back 44

neutral static stability

Front 45

the initial tendency of the aircraft to continue away from the original state of equilibrium after being disturbed.

Back 45

Negative static stability

Front 46

Negative static stability is the initial tendency of the aircraft to ________ from the original state of equilibrium after being disturbed.

Back 46

continue away

Front 47

an aircraft that has ________ tends to continue moving away from its original attitude when it's disturbed.

Back 47

negative static stability

Front 48

Example of positive static stability

Back 48

you hit some turbulence, and the nose pitches up. Immediately after that happens, the nose lowers and returns to its original attitude.

Front 49

Example of neutral static stability

Back 49

if you hit turbulence and your nose pitches up 5 degrees, and then immediately after that it stays at 5 degrees nose up,

Front 50

Example of negative static stability

Back 50

if you hit turbulence and your nose pitches up, and then immediately continues pitching up

Front 51

It refers to the aircraft response over time when disturbed from a given pitch, yaw, or bank.

Back 51

Dynamic stability

Front 52

Dynamic stability refers to the aircraft ________ when disturbed from a given pitch, yaw, or bank.

Back 52

response over time

Front 53

What is dynamic stability

Back 53

It refers to the aircraft response over time when disturbed from a given pitch, yaw, or bank.

Front 54

Dynamic stability also has three subtypes

Back 54

Positive dynamic stability

Neutral dynamic stability

Negative dynamic stability

Front 55

over time, the motion of the displaced object decreases in amplitude and, because it is positive, the object displaced returns toward the equilibrium state.

Back 55

Positive dynamic stability

Front 56

Positive dynamic stability—over time, the motion of the displaced object 1.______ and, because it is positive, the object displaced returns 2._____ the equilibrium state.

Back 56

1. decreases in amplitude

2. toward

Front 57

once displaced, the displaced object neither decreases nor increases in amplitude.

Back 57

Neutral dynamic stability

Front 58

Neutral dynamic stability—once displaced, the displaced object 1.______. A 2.________ exhibits this tendency.

Back 58

1.neither decreases nor increases in amplitude

2. worn automobile shock absorber

Front 59

What is positive dynamic stability

Back 59

over time, the motion of the displaced object decreases in amplitude

Front 60

What is neutral dynamic stability

Back 60

once displaced, the displaced object neither decreases nor increases in amplitude.

Front 61

over time, the motion of the displaced object increases and becomes more divergent

Back 61

Negative dynamic stability

Front 62

Negative dynamic stability—over time, the motion of the displaced object _______

Back 62

increases and becomes more divergent

Front 63

What is negative dynamic stability

Back 63

over time, the motion of the displaced object increases and becomes more divergent

Front 64

Back 64

Positive static stability

Front 65

Back 65

Neutral static stability

Front 66

Back 66

Negatice static stability

Front 67

Back 67

Positive dynamic stability

Front 68

Back 68

Neutral static stability

Front 69

Back 69

Negative dynamic stability