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Force and Motion Unit Review

Total questions: 40

Worksheet time: 41mins

Name
Class
Date
1.

Which of the following is an example of friction?

a)

An apple falling from the tree.

 

b)

A ball slowing down on carpet.

c)

A person seeing themselves in the mirror.

d)

A table pushing up on a resting cup.

2.
 If an unbalanced force acts on a stationary object, the object will:.
a)
remain stationary
b)

have a net force of 0N

c)

have a change in motion

3.
What is balanced force?
a)

a force that does not cause change in motion

b)

a force that causes change in motion

4.
What is an unbalanced force?
a)

equal forces that continue original motion

b)

unequal forces that make a change in motion

5.
If an object is stationary, all forces must be ______.
a)

Balanced

b)

Unbalanced

6.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
7.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
8.
Which System has the greater gravitational pull between the two objects?
a)
System 1
b)
System 2
c)
Same: there is no gravitational attraction between the two objects
9.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
10.
The farther apart two objects are, the __ their gravity.
a)
weaker
b)
stronger
c)
more equal
11.

Two surfaces rubbing together is called ​ (a)   . An example of this is ​ (b)   which works on objects falling through the air.

Choose from the below words
friction
air resistance
12.

Gravity and magnetism are ​ (a)   forces, while friction, normal force, and applied forces are types of ​ (b)   forces.

Choose from the below words
non-contact
contact
air resistance
energy types
13.
Question Image

Match the following forces to how they are working on the cake.

a)

gravity

1.

keeping the cake on the table

b)

normal force

2.

the force the table is putting on the cake

c)

air resistance

3.

not affecting the cake

14.

Label the forces acting in this image.

a)

motion

b)

gravity

c)

normal force

d)

friction

1
2
3
4
1)
2)
3)
4)
15.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
16.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
17.

If two magnets are placed so that a north pole and a south pole are facing each other, they will _____________ each other.

a)

date

b)

spin

c)

repel

d)

attract

18.

The combination (adding or subtracting) of all forces acting on an object and direction is called the

a)

Balanced Force

b)

Net Force

c)

Unbalanced Force

d)

Contact Force

19.

Name the missing force.

a)

Gravitational Force

b)

Normal Force

c)

Friction Force

d)

Applied Force

20.

Name the missing force.

a)

Normal Force

b)

Push/Pull Force

c)

Friction Force

d)

Gravitational Force

21.

The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:

a)

Normal Force

b)

Gravitational Force

c)

Friction Force

d)

Air resistance

22.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
23.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
24.
Forces that have a net force that is not zero.
a)
Balanced force
b)
Unbalanced force
25.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
26.
Which way is the object moving?
a)
It is not or moving at a constant speed
b)
moving to the right
c)
moving to the left
d)
going up
27.
Which way is the box moving?
a)
to the right
b)
to the left
c)
going up
d)
going down
28.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
29.
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
30.
Ted is trying to move a fridge through his house, he gets stuck on a carpet and even though he is pushing the fridge, it is not moving. What force is acting against him?
a)
gravity
b)
friction
c)
air
d)
mass
31.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
32.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
33.
Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?
a)
The ribbon will move to the left and group A will win the tug-of-war.
b)
The ribbon will move to the left and group B will win the tug-of-war.
c)
The ribbon will move to the right and group B will win the tug-of-war.
d)
The ribbon will move to the right and group A will win the tug-of-war.
34.

The diagrams below show several force combinations on an object. In which two scenarios would there be no change in motion?

a)

C and E

b)

A and B

c)

B and D

d)

A and D

35.

A baseball player hits a ball with 400 N of force. How much force does the ball exert on the bat?

a)

300

b)

400

c)

500

d)

Not enough info to tell

36.

Your friend pushes you for making fun of him/her. What is the reaction force?

a)

You pushing back on your friend

b)

You pushing on the ground

c)

There is no reaction force

d)

Your friend pushing on the ground

37.

When you hit a tennis ball with a racket...

a)

The ball exerts more force on the racket

b)

The ball and racket exert the same force on each other

c)

The racket exerts more force on the ball

d)

It depends on how hard you hit it

38.

Forces always come in________

a)

waves

b)

groups

c)

pairs

39.

When a baseball player catches a ball, the ball pushes towards the glove; this is the action force. What is the reaction force?

a)

The reaction force is the glove pushing back on the ball with a stronger force.

b)

The reaction force is the glove pulling back on the ball with an equal force.

c)

The reaction force is the glove pushing back on the ball with an equal force.

d)

The reaction force is the ball pushing away from the glove with an equal force.

40.
Which law explains why when you put a book on a table the table pushes on the book
a)
3rd law
b)
4th law
c)
1st law
d)
2nd law

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