Question 1

What is the upward acting force on an aircraft in flight?

Accepted Answer

Lift

Answer

Drag

Answer

Weight

Answer

Thrust

Question 2

What force slows the aircraft down?

Accepted Answer

Drag

Answer

Lift

Answer

Weight

Answer

Thrust

Question 3

What force moves the aircraft forward?

Accepted Answer

Thrust

Answer

Lift

Answer

Weight

Answer

Drag

Question 4

What force is caused by gravity pulling the aircraft downward?

Accepted Answer

Weight

Answer

Drag

Answer

Lift

Answer

Thrust

Question 5

What does equilibrium mean in terms of forces acting on an aircraft?

Accepted Answer

All forces are balanced and opposite

Answer

All forces are accelerating

Answer

All forces are equal

Answer

All forces are unbalanced

Question 6

What happens to speed and direction when an aircraft is in equilibrium?

Accepted Answer

No acceleration occurs

Answer

Speed decreases

Answer

Speed increases

Answer

Direction changes

Question 7

What creates lift on an aircraft?

Accepted Answer

Airfoils

Answer

Engines

Answer

Fuselage

Answer

Propellers

Question 8

What term refers to the curvature of the wing?

Accepted Answer

Camber

Answer

Relative airflow

Answer

Angle of attack

Answer

Chord line

Question 9

What is the angle between the chord line of the wing and the relative airflow called?

Accepted Answer

Angle of attack

Answer

Trailing edge

Answer

Camber

Answer

Leading edge

Question 10

What happens to air pressure as the velocity of air increases?

Accepted Answer

It decreases

Answer

It remains constant

Answer

It increases

Answer

It fluctuates

Question 11

Where does air accelerate on the wing to create lower pressure?

Accepted Answer

Top of the wing

Answer

Trailing edge

Answer

Leading edge

Answer

Bottom of the wing

Question 12

Which law explains the downwash effect?

Accepted Answer

Newton's law of action and reaction

Answer

Bernoulli's theorem

Answer

Law of gravity

Answer

Law of lift

Question 13

What happens when the airfoil pushes down on the air?

Accepted Answer

The air pushes up on the airfoil

Answer

The air pushes backward

Answer

The air pushes forward

Answer

The air stops moving

Question 14

What is the center of pressure?

Accepted Answer

The point where all lifting forces are considered to act

Answer

The point where thrust is applied

Answer

The point where weight is concentrated

Answer

The point where drag is highest

Question 15

What happens to the center of pressure as the angle of attack increases?

Accepted Answer

It moves forward

Answer

It moves backward

Answer

It remains stationary

Answer

It disappears

Question 16

What are the four factors affecting lift?

Accepted Answer

Angle of attack, air density, speed, and wing area

Answer

Air pressure, gravity, thrust, and drag

Answer

Thrust, drag, weight, and lift

Answer

Wing shape, fuselage, speed, and air pressure

Question 17

Why does a small increase in speed result in a large increase in lift?

Accepted Answer

Because of the speed squared factor

Answer

Because of the air density factor

Answer

Because of the wing area factor

Answer

Because of the angle of attack factor

Question 18

What happens to lift and drag when the critical angle of attack is exceeded?

Accepted Answer

Lift decreases and drag increases

Answer

Both lift and drag increase

Answer

Lift increases and drag decreases

Answer

Both lift and drag decrease

Question 19

What happens to the center of pressure and the airplane during a stall?

Accepted Answer

The center of pressure moves rearward, and the airplane pitches down

Answer

The center of pressure disappears, and the airplane stops moving

Answer

The center of pressure remains stationary, and the airplane remains level

Answer

The center of pressure moves forward, and the airplane pitches up

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