wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 8- Forces Review

Total questions: 105

Worksheet time: 2hrs 13mins

Name
Class
Date
1.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
2.

Newton’s law states that for every action, there is an ________ reaction.

a)

unequal and opposite

b)

equal and similar

c)

stronger and opposite

d)

equal and opposite

3.

When a small car pushes a big truck, the truck applies an equal and opposite force on the car.

a)

False

b)

True

4.

When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?

a)

The cannon moving forward

b)

The cannon moving backwards

c)

The cannonball moving backwards

d)

The cannonball moving forward

5.

Action-reaction pairs can cause a change in motion.

a)

True

b)

False

6.

Force always come in________

a)

waves

b)

triplets

c)

pairs

7.

The forces in a force pair are in _______ direction

a)

opposite

b)

same

8.
Why is the net force 0 in the image?
a)
Because the elephants are the same size
b)
Because they are both pulling the same amount of force in opposite directions
c)
Because they are elephants
d)
Because they are pulling away from each other.
9.

What will happen if the Action is greater than the Reaction?

a)

The man will fall

b)

The boat will sink

c)

Nothing will happen

10.

This picture shows .............

a)

Newton 2nd law of motion

b)

Newton 3rd law of motion

c)

Newton 1st law of motion

d)

I don't know

11.

The two paired forces in Newton's third law:

a)

act on different objects

b)

are equal in size

c)

are opposite in direction

d)

are the same type

e)

all of the above

12.

Resistance to an unbalanced force

a)

Mass

b)

Resistance

c)

Inertia

d)

Force

13.

A measure of how much matter is present in a substance

a)

Weight

b)

Mass

c)

Force

d)

Inertia

14.

Objects in motion tend to stay in motion

a)

Newtons 1st Law

b)

Newtons 2nd Law

c)

Newtons 3rd Law

d)

None

15.
a)

This is an Unbalanced Force

b)

This is a Balanced Force

16.
A player throws a ball. The action force is the player impact on the ball. The reaction force is...
a)
The force of the ball impact on the player
b)
The force of the grip of the ball
c)
The celebration the player is thinking of
17.
A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...
a)
The grip of the player's hands on the ball
b)
the air resistance of the ball
c)
the force of the ball against the bat
18.
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
a)
Air resistance against the bow
b)
the arrow's push against the bowstring
c)
the grip of the archer's hand on the bow
19.
According to Newton's Third law the strength or magnitude of forces will be...
a)
smaller
b)
equal
c)
larger
20.

When a heavy football player and a light one run into each other, who exerts more force? (pushes harder)

a)

The light one

b)

They exert the same force on each other

c)

The heavy one

21.

You can't exert a force on anything unless it also exert a force on you

a)

False

b)

True

22.

What happens to the balloon if the air is released ?

a)

Balloon goes right

b)

Balloon goes up

c)

Balloon goes down

d)

Balloon goes left

23.

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

a)

300 N

b)

400 N

c)

500 N

d)

Not enough info to tell

24.
An object with a mass of 2.0 kg accelerates 2.0 m/s2 when an unknown force is applied to it. What is the amount of the force?
a)
4 N
b)
0.4 N
c)
1 N
d)
0.1 N
25.
An object with a mass of 5.0 kg accelerates 8.0 m/s2 when an unknown force is applied to it. What is the amount of the force?
a)
40 N
b)
4 N
c)
10 N
d)
0.1 N
26.
An object with a mass of 6.0 kg accelerates 4.0 m/s2 when an unknown force is applied to it. What is the amount of the force?
a)
240 N
b)
24 N
c)
2.4 N
d)
0.24 N
27.

An object accelerates 3.0 m/s2 when a force of 6.0 newtons is applied to it. What is the mass of the object?

a)

2 kg

b)

18 kg

c)

0.5 kg

d)

0.05 kg

28.

An object accelerates 12 m/s2 when a force of 6.0 newtons is applied to it. What is the mass of the object?

a)

2 kg

b)

18 kg

c)

0.5 kg

d)

0.05 kg

29.

An object accelerates 5 m/s2 when a force of 20 newtons is applied to it. What is the mass of the object?

a)

4 kg

b)

20 kg

c)

0.5 kg

d)

2 kg

30.

An object with a mass of 2.0 kg has a force of 4.0 newtons applied to it. What is the resulting acceleration of the object?

a)

2 m/s2

b)

8 m/s2

c)

0.5 m/s2

d)

6 m/s2

31.

An object with a mass of 5 kg has a force of 40 newtons applied to it. What is the resulting acceleration of the object?

a)

2 m/s2

b)

8 m/s2

c)

0.5 m/s2

d)

6 m/s2

32.

An object with a mass of 5 kg has a force of 20 newtons applied to it. What is the resulting acceleration of the object?

a)

2 m/s2

b)

8 m/s2

c)

4 m/s2

d)

6 m/s2

33.
A car is 2000kg and accelerating at 20m/s2, what is the net force applied to it?
a)
40000 N
b)
100 N
c)
5 N
d)
200 N
34.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object? (watch for proper units on this answer!)
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
35.

According to Newton's second Law, which would take more force to slow down?

a)

The silver car

b)

The green car

c)

They would both take the same force

36.

Which of these best states Newton's Second Law?

a)

The greater the mass of an object the greater the force needed to change its motion.

b)

The greater the mass of an object the less force needed to change its motion.

c)

The mass of an object does not effect the force needed to change its motion

37.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
38.
Name the missing force...
a)
applied force
b)
weight force
c)
lift
d)
normal force
39.
Name the missing force...
a)
tension force
b)
frictional force
c)
normal force
d)
spring force
40.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
41.
Name the missing force...
a)
normal force
b)
applied force
c)
frictional force
d)
tension force
42.
Name the missing force...
a)
applied force
b)
weight force
c)
tension force
d)
drag
43.
Name the missing force...
a)
tension force
b)
gravitational force
c)
normal force
d)
applied force
44.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
45.

The sum of all of the forces acting on an object is known as the (a)   force.

46.

Do directions matter with forces?

(a)  

47.

When forces are acting in the same direction they should be added together.

a)

True

b)

False

48.

Forces that are acting in opposite directions should be subtracted from each other.

a)

True

b)

False

49.

If the net force (Fnet) is 0, _____

a)

the forces are balanced.

b)

the forces are unbalanced

c)

the object maintains its same speed and direction.

d)

the object speeds up, slows down, or changes direction.

50.

The net force (Fnet) and the acceleration are always in the same direction.

a)

True

b)

False

51.

If the acceleration and the velocity are in opposite directions, the object will _____.

a)

speed up

b)

slow down

c)

turn

52.

If the acceleration and velocity are in the same direction the object will _____.

a)

speed up

b)

slow down

c)

turn

53.

The net force acting on the object is acting _____.

a)

to the right

b)

to the left

c)

up

d)

down

54.

The net force (Fnet) acting on the object is (a)   N.

55.

The net force acting on the block is (a)   N.

56.
What is the net force?
a)
5 N
b)
45 N to the left
c)
5 N to the right
d)
45 N to the right
57.
Is it BALANCED? 
a)
Yes
b)
No
58.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
59.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
60.
Which would fall with greater acceleration in a vacuum—a leaf or a stone?
a)
the leaf
b)
the stone
c)
They would accelerate at the same rate.
d)
It is difficult to determine without more information.
61.
Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?
a)
the feather
b)
the metal bolt
c)
They would hit the ground at the same time.
d)
They would be suspended in a vacuum.
62.

According to Galileo's observations gravity pulls on all objects equally regardless of _____________

a)

size

b)

shape

c)

mass

d)

time of day

63.

An object in free fall _________________ as it falls

a)

gets slower

b)

gets faster

c)

has a constant speed

64.

When the air resistance or drag is equal and opposite to the weight of the object you would call this

a)

terminal velocity

b)

gravitational weight

c)

flux capacitor

d)

rotational inertia

65.

To create the most air drag (resistance) , a parachute needs to

a)

have a small surface area

b)

be light

c)

have a lot of surface area

d)

be heavy

66.

If an object is falling under the influence of gravity alone, this is called________

a)

terminal velocity

b)

acceleration

c)

free fall

67.

If this graph were to show a parachutist jumping from a plane, how would you describe the forces acting at point B.

a)

His weight is bigger than air resistance

b)

Air resistance is bigger than his weight.

c)

His weight and air resistance are balanced.

68.

What causes an object to fall faster?

a)

Smaller surface area

b)

Larger surface area

c)

If it has a parachute

d)

If it is softer

69.

The larger the surface area of the moving object, the ___________ air resistance there is.

a)

Less

b)

More

c)

Longer

d)

Quicker

70.

A force which causes objects to fall is

a)

weight

b)

gravity

c)

air resistance

d)

absorbency

71.

Look at the pictures of the cars. Which car will have the most air resistance force acting upon it? They will be moving at the same speed.

a)
b)
c)
d)

All will have equal air resistance force.

72.

________ acts to slow the rate at which objects fall.

a)

Thrust

b)

Barometer

c)

Air Resistance

d)

Gravity

73.

Which best describes why a falling object will reach its terminal velocity?

a)

Gravity force is equal and opposite air resistance force.

b)

Air resistance force is equal and opposite the freefall velocity.

c)

Gravity force is equal and opposite the object's mass.

d)

The object's mass is equal and opposite the gravity force.

74.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
75.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
76.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
77.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
78.
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
79.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
80.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
81.
The force of gravity on Jupiter is a little more than 2 times the gravitational force on Earth. If an object has a mass of 50 kg and a weight of 490 N on Earth, what would be the object's approximate mass and weight on Jupiter?
a)
50 kg and 490 N
b)
100 kg and 490 N
c)
50 kg and 980 N
d)
100 kg and 980 N
82.
A child has a mass of 30 Kg on Earth. If the gravity on Moon is one sixth that of the Earth what is the mass of the child on Moon? 
a)
30 Kg
b)
180 Kg
c)
5 Kg
d)
0 Kg
83.

The astronaut floats in international space station. It proves that...

a)

His weight is less in space

b)

His mass is less in space

c)

His weight does not change

d)

His mass is more in space

84.

If the mass of an object is 1000 kg on Earth, what is it's mass on the moon?

a)

less than 1000 kg

b)

more than 1000 kg

c)

1000kg

85.
If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?
a)
18 g
b)
4 g
c)
0 g 
d)
32 g 
86.
If an object mass =30 Kg on the Earth, what would be it's weight on Earth?
a)
30 N
b)
300 kg
c)
3000N
d)
300 N
87.
If the mass of an object is 1000 kg on Earth, what is it's mass on the moon?
a)
10kg
b)
100kg
c)
1000kg
d)
10,000kg
88.

A girl weighs 300 N what is her mass here on Earth?

a)

40.8 kg

b)

41 kg

c)

30 kg

d)

300 N

89.

You fly to Venus and research if life can exist there. Your mass is 100 kg and have a weight of 90 N what is the Gravitational strength of Venus?

a)

900 N/kg

b)

9 N/kg

c)

0.9 N/kg

d)

9000 N/ kg

90.

You fly to an unknown planet and research if life can exist there. A banana has a mass 0f 75g and have a weight of 50 N what is the Gravitational strength of this planet?

a)

0.67 N/kg

b)

66.7 N/kg

c)

666.7 N/kg

d)

9000 N/ kg

91.

If the mass of a rhino is 1,080 kilograms on Earth , what is its weight?

a)

2,400 Newtons

b)

10,800 kg

c)

10,800 Newtons

d)

10,584 kg

92.

Which planet would a 65 kg person weight the most on?

a)

Mars

b)

Jupiter

c)

Earth

d)

Venus

93.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
94.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
95.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
96.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
97.

When an object is moving, friction acts in the _______ direction as the motion.

a)

perpendicular

b)

same

c)

opposite

d)

precise

98.

What is any push or pull called?

a)

Force

b)

Energy

c)

Speed

d)

Acceleration

99.

If the net force on a object at rest is zero Newtons. What can you conclude?

a)

The object is in motion.

b)

The object is not in motion.

100.

What can you conclude about an object moving at a constant speed?

a)

No forces are acting on it.

b)

The forces acting on it are balanced.

c)

The forces acting on it are unbalanced.

101.

Which is always true about forces?

a)

An object at rest has no forces acting on it.

b)

Unbalanced forces cause changes in speed or direction.

c)

The net force on a moving object can never be zero.

102.
a)

5 N Left

b)

25 N Right

c)

30 N Left

d)

55 N Right

103.

How would you find the net force acting on this object?

a)

Subtract the forces, 8N

b)

Add the forces, 12 N

104.

Which two factors affect the force of gravity?

a)

volume and density

b)

size and shape

c)

mass and distance

105.

Why does a crumpled piece of paper hit ground before a flat sheet of paper?

a)

The crumpled paper is more massive.

b)

There is more air resistance against the flat paper.

c)

The acceleration of gravity is greater on the crumpled paper.

Similar Resources on Wayground

2022 Midterm

100 questions

2022 Midterm

quiz

Worksheet

•

9th Grade

DNA, Genes, and Chromosomes

100 questions

DNA, Genes, and Chromosomes

quiz

Worksheet

•

9th - 12th Grade

Ecology

105 questions

Ecology

quiz

Worksheet

•

9th Grade

Unit 3: Waves & Electromagnetic Radiation Review

106 questions

Unit 3: Waves & Electromagnetic Radiation Review

quiz

Worksheet

•

9th - 12th Grade

Pulmonary disorders

105 questions

Pulmonary disorders

quiz

Worksheet

•

10th Grade

LEMIDTERMREVIEW

101 questions

LEMIDTERMREVIEW

quiz

Worksheet

•

8th - 9th Grade

Newton's laws and forces

110 questions

Newton's laws and forces

quiz

Worksheet

•

10th Grade

Geology Final Exam Review

106 questions

Geology Final Exam Review

quiz

Worksheet

•

10th - 12th Grade