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FL6.2

Total questions: 23

Worksheet time: 44mins

Name
Class
Date
1.

Which is not a force of flight?

a)

lift

b)

weight

c)

thrust

d)

drag

e)

trying really hard

2.

The force of gravity, a downward force.

a)

weight

b)

lift

c)

drag

d)

thrust

3.

Which are forces?

a)

thrust

b)

drag

c)

weight

d)

air foil

e)

lift

4.

For a plane to go up, ______________ has to be same or greater than weight.

a)

lift

b)

drag

c)

thrust

5.

For a plane to go forward, ____________ has to be equal or greater than drag.

a)

lift

b)

weight

c)

thrust

6.

Lift is

a)

the downward force of gravity pulling on mass.

b)

resistance of air when an object moves through it.

c)

a forward force.

d)

an upward pull.

7.

Drag is

a)

the downward force of gravity pulling on mass.

b)

resistance of air when an object moves through it.

c)

a forward force.

d)

an upward pull.

8.

Thrust is

a)

the downward force of gravity pulling on mass.

b)

resistance of air when an object moves through it.

c)

a forward force.

d)

an upward pull.

9.

Weight is

a)

the downward force of gravity pulling on mass.

b)

resistance of air when an object moves through it.

c)

a forward force.

d)

an upward pull.

10.

If an airplane engine cut out mid air, which force would decrease almost immediately?

a)

drag

b)

gravity

c)

thrust

d)

lift

11.
In order to move forward, you must have more  thrust than _______ to fly.
a)
Thrust
b)
Lift
c)
Drag
d)
Gravity
12.

When an airplane is taking off, lift is _______ than gravity.

a)

greater than

b)

less than

c)

the same as

13.

These provide lift for an aircraft. What are they?

a)

wings

b)

engines

c)

fuselages

d)

forces

14.
Which Letter represents Gravity/Weight? 
a)
A
b)
B
c)
C
d)
D
15.
Which Letter represents Thrust? 
a)
A
b)
B
c)
C
d)
D
16.
Which Letter represents Lift? 
a)
A
b)
B
c)
C
d)
D
17.

Which will have air flowing over the top of the wing faster than the bottom of the wing?

a)
b)
c)

All choices

d)

None of the choices

18.

Whose Principle is used to describe why flight is possible?

a)

Newton

b)

Wright Brothers

c)

Bernoulli

19.

According to Bernoulli's Principle, when the upper air speed is high, air pressure is ________

a)

High

b)

Low

c)

Not enough information

d)
None of the above
20.

True or false: The speed above the wing is more than the speed below the wing.

a)

True

b)

False

21.
Why is the top of an airplane wing curved?
a)
To create an area of low pressure above the wing
b)
To create an area of high pressure above the wing
c)
To create equal pressure above and below the wing
d)
To make the wing look really cool
22.
Air travels  ______________ over the top of a wing.
a)

Faster

b)

Slower 

c)

Doesn't move at all

d)

The same speed as

23.

A wing is angled so the _________ pressure air under the wing generates lift up.

a)

High

b)

Low

c)

Not enough information

d)
None of the above