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Aerodynamic Lift Yr10 Engineering

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

When was the first Wright Brother flight?

a)

1913

b)

1873

c)

1903

d)

1893

2.

Which are examples of lift producing airfoils?

a)

Aeroplane Wings

b)

Wind Turbine Blades

c)

Propellor Blades

d)

Electronic Motor Rotors

3.

Which force acts in an upward direction? When looking at this airfoil cross section.

a)

Drag

b)

Lift

c)

Velocity

d)

Camber

4.

Is the double wedge airfoil design used for flying above or below the speed of sound?

a)

Above

b)

Below

5.

What is the front edge of an airfoil called?

a)

Trailing Edge

b)

Lemon Sledge

c)

Leading Edge

d)

Chord Length

6.

What is the back edge of an airfoil called?

a)

Leading Edge

b)

Lemon Pledge

c)

Trailing Edge

d)

Chord Length

7.

The straight line distance between the leading edge and the trailing edge is called the?

a)

Wing Span

b)

Chord Length

8.

This is the angle of?

a)

Angle Of Incidence

b)

Angle Of Attack

c)

Angle Of Inclination

9.

A symmetrical airfoil has zero?

a)

Chord

b)

Lift

c)

Camber

d)

Angle of Attack

10.

Camber and angle of attack have a large influence on the amount of lift an airfoil will generate?

a)

Ture

b)

False

11.

What type of stress is this?

a)

Shear

b)

Pressure

12.

what type of stress is this?

a)

Shear

b)

Pressure

13.

The orange area represents?

a)

High Pressure

b)

Low Pressure

14.

The blue area represents?

a)

Low Pressure

b)

High Pressure

15.

Does the high pressure below the airfoil or the suction generated by the low pressure above the airfoil generate more lift?

a)

The high pressure below the airfoil.

b)

The suction generated by the low pressure above the airfoil.

16.

Without a difference in air pressure above and below the wing there can be no lift?

a)

Ture

b)

False

17.

Newton's Third Law tell us?

a)

Force is equal to mass times acceleration.

b)

For every action there is an equal and opposite reaction.

18.

According to Newtons Third Law (for every action there is an equal and opposite reaction) an airfoil generates lift by turning the incoming air downwards?

a)

Ture

b)

False

19.

Increasing the camber of an airfoil will increase the amount of fluid it can deflect and in result increase the lift force?

a)

Ture

b)

False

20.

If the angle of attack is raised too high will it decrease lift?

a)

Yes

b)

No