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Forces of Flight

Total questions: 29

Worksheet time: 28mins

Name
Class
Date
1.

The force that pushes a plane forward

a)

lift

b)

thrust

c)

weight

d)

drag

2.

The force that pushes a plane upward

a)

lift

b)

thrust

c)

weight

d)

drag

3.

The force that pulls the plane downward

a)

lift

b)

thrust

c)

weight

d)

drag

4.

The force that slows the plane down

a)

lift

b)

thrust

c)

weight

d)

drag

5.

The force that acts opposite of lift

a)

lift

b)

thrust

c)

weight

d)

drag

6.

The force that acts opposite of thrust

a)

lift

b)

thrust

c)

weight

d)

drag

7.

The force that acts opposite of drag

a)

lift

b)

thrust

c)

weight

d)

drag

8.

The force that acts opposite of weight

a)

lift

b)

thrust

c)

weight

d)

drag

9.

The arrow under the plane represents?

a)

lift

b)

drag

c)

weight

d)

thrust

10.

The image shows a plane in a "climb"..which is diagonal movement.. in order for this to take place, these TWO forces must be greater than their counterpart forces.....

a)

Weight and Thrust

b)

Thrust and Drag

c)

Drag and Lift

d)

Lift and Thrust

11.

When you throw a paper plane in the air, you are giving the plane a push to move forward. That push is a type of force called_____________?

a)

Gravity

b)

Force

c)

Thrust

d)

Drag

12.

This picture best represents

a)

Drag

b)

Thrust

c)

Lift

d)

Gravity

13.

What is aerodynamic ?

a)

Car speed

b)

The way air moves around things

c)

The car body

14.

Which shape is a good aerodynamic

a)

1

b)

2

c)

3

15.

Which car is the fastest ?

a)
b)
c)
d)
16.

Which vehicle has low speed ?

a)
b)
c)
d)
17.

What are the four forces acting on an aircraft?

a)

Propellers, Gravity, Lift, Drag

b)

Thrust, Drag, Lift, Weight

c)

Elevator, Ailerons, Rudder, Propellor

d)

Thrust, Drag, Gravity, Lift

18.

What is lift?

a)

The speeding up and slowing down of air as it moves across a wing causing an upward push

b)

The measure of gravity pulling down on an airplane's wing

c)

The force caused by an airplane's engine that pushes the plane forward

d)

Lift is the opposite of drag

19.

What is drag?

a)

The speeding up and slowing down of air

b)

The angle of an airplane's wings with the front being higher than the back

c)

The wing being sucked in an upward direction by the air

d)

Drag is what pulls backward on an airplane, slowing it down

20.

What is thrust?

a)

The force that pulls or pushes a airplane forward

b)

The force that equalizes lift and drag

c)

The force that causes a plane to fall towards Earth

d)

The measure of air pressure on the airplane's wing

21.

Which angle is determined by the aircraft design and the location of the wing?

a)

Angel of attack

b)

Angle of Axis

c)

Angel of incidence

22.
What do parachutes rely on to fall to the ground more slowly?
a)
Lift
b)
Drag
c)
Thrust
d)
Lift
23.
What does this image represent?
a)
Lift
b)
Bernoulli's Principle
c)
Oxidation
d)
Drag
24.
These two forces need to overcome their opposite force in order for an aircraft to fly.
a)
Drag & Weight
b)
Thrust & Weight
c)
Lift & Drag
d)
Lift & Thrust
25.

Which are forces?

a)

thrust

b)

drag

c)

weight

d)

air foil

e)

lift

26.

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

a)

drag

b)

gravity

c)

thrust

d)

lift

27.
In order to move forward, you must have more  thrust than _______ to fly.
a)
Thrust
b)
Lift
c)
Drag
d)
Gravity
28.

Describe the role of lift in overcoming gravity and enabling devices or living things to fly.

4 lines
29.

Explain how we can change the drag on a living thing such as birds or airplanes. How would you increase drag? How would you reduce drag?

4 lines