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Forces full unit revision

Total questions: 27

Worksheet time: 3hrs 5mins

Name
Class
Date
1.

What force brings the pencil down?

a)

Applied

b)

Magnetic

c)

Normal

d)

Gravitational

2.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
3.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
4.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
5.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

6.
Balanced forces do not change the objects speed or 
a)
direction
b)
distance 
c)
time
d)
mass
7.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
8.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
9.
Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?
a)
400 N
b)
24 N
c)
0 N
d)
40 N
10.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
11.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
12.

Which of the following is a contact force?

a)

Magnetic

b)

Friction

c)

Electrical

d)

Gravitational

13.

Which of the forces in this image is the smallest?

a)

A

b)

B

c)

C

d)

D

e)

E

14.

The girl's hair is attracted to the balloons because of which force?

a)

Electrostatic

b)

Magnetic

c)

Friction

d)

Buoyancy

15.

Are the forces exerted by the cats balanced or unbalanced?

a)

Balanced

b)

Unbalanced

16.

In this force diagram, which way will the van move?

a)

Upward

b)

To the left

c)

To the right

d)

Downward

17.

In which force diagram would the car slow down?

a)

A

b)

B

c)

C

18.

Which of the following is NOT a way to reduce friction?

a)

Use balls or wheels

b)

Spray the surface with oil or grease

c)

Hovering an object so the surfaces don't touch

d)

Add more weight

19.

What are the forces acting on a plane in flight?

a)

Wing, Cabin, Wheels, Engine

b)

Lift, Thrust, Acceleration, Mass

c)

Lift, Thrust, Drag, Weight

d)

Buoyancy, Drag, Air Resistance, Surface Tension

20.

I am a contact force that can only cause an object to slow down

a)

Thrust

b)

Friction

c)

Tension

d)

Magnetic

21.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
22.

Magnetic Force is an example of ____________ force.

a)

contact

b)

non-contact

c)

balanced

d)

unbalanced

23.

You are pulled to the surface of the earth due to the force of _________________

a)

gravity

b)

friction

c)

normal force

d)

contact force

24.

An icy road has less __________ than a dry road.

a)

friction

b)

gravity

c)

magnetism

d)

water

25.

Which is an example of a non-contact force?

a)

elastic force

b)

normal force

c)

applied force

d)

electric force

26.

What is the net force for the following diagram?

a)

0 N

b)

100 N

c)

400 N

d)

50 N

27.

What direction is the crate moving in this picture?

a)

left

b)

right