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Forces and Aerodynamics of Flight

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
Question Image

Match the following

a)

Allows the airfoil to generate more lift at slower speeds and increases drag.

1.

Flaps

b)

Turns the nose of the aircraft on the yaw access.

2.

Rudder

c)

The angle between the relative wind and the wing chord.

3.

Angle of Attack

d)

The air moving across the airfoil which makes lift possible

4.

Relative Wind

e)

The angle at which an aircraft stalls

5.

Critical Angle of Attack

2.

Match the following

a)

The upward force that allows an aircraft to rise

1.

Lift

b)

The force that opposes the forward motion of the aircraft

2.

Drag

c)

The force that propels the aircraft forward

3.

Thrust

d)

The downward force on the aircraft caused by gravity

4.

Weight

3.

Match the following

a)

Faster moving fluid as lower pressure

1.

Daniel Bernoulli

b)

Every action has an equal and opposite reaction

2.

Newton's Third Law

c)
  • An upward force that raises an object, opposing its weight

3.

Lift

d)

The propulsive force of a jet or rocket engine

4.

Thrust

e)

Windsor Forest Mascot

5.

Knight

4.

When are the four forces of flight in equilibrium?

a)

Lift=Weight

Thrust=Drag

b)

Never

c)

While Climbing

5.

The angle of attack is the angle between the relative wind and the wing's _____?

a)

camber

b)

chord

6.

Match the following:

a)

Gravitational force pulling aircraft down

1.

Weight Force

b)

Created by engines or propellers

2.

Thrust Force

c)

Air resistance opposing motion

3.

Drag Force

7.

Match the axis of flight to its direction.

a)

Longitudinal

1.

Runs from nose to tail of the aircraft

b)

Lateral

2.

Runs from wingtip to wingtip

c)

Vertical

3.

Runs top to bottom through the aircraft

8.

What is the primary force that opposes the motion of an airplane through the air?

a)

Lift

b)

Drag

c)

Thrust

d)

Weight

9.

Which force must be greater than weight for an airplane to take off?

a)

Thrust

b)

Drag

c)

Lift

d)

Gravity

10.

The resistance of air pushing back against the plane acts in opposition to THRUST is called (a)  

Choose from the below words
Drag
Lift
Thrust
Gravity
11.

Which part of an airplane is primarily responsible for generating lift?

a)

Landing Gear

b)

Rudder

c)

Wings

d)

Fuselage

12.

What happens to drag when the speed of an airplane increases?

a)

It disappears

b)

It decreases

c)

It increases

d)

It remains the same

13.

Which force acts downward toward the center of the Earth on an airplane?

a)

Thrust

b)

Lift

c)

Drag

d)

Weight

14.

Which control surface is mainly used to make an airplane roll?

a)

Flaps

b)

Elevator

c)

Ailerons

d)

Rudder

15.

What is the main function of the rudder on an airplane?

a)

Control yaw

b)

Increase lift

c)

Control roll

d)

Control pitch

16.

Which control surface is primarily responsible for controlling the pitch of an airplane?

a)

Ailerons

b)

Rudder

c)

Flaps

d)

Elevator

17.

What is the term for the forward force produced by an airplane's engine?

a)

Lift

b)

Thrust

c)

Drag

d)

Weight

18.

What happens to lift if the angle of attack becomes too great?

a)

Lift remains constant

b)

Lift decreases and the wing may stall

c)

Lift increases indefinitely

d)

Lift is not affected by angle of attack

19.

Which part of an airplane helps control its roll movement?

a)

Rudder

b)

Flaps

c)

Ailerons

d)

Elevator

20.

What is the main function of the elevator on an airplane?

a)

Control roll

b)

Control yaw

c)

Increase drag

d)

Control pitch