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Physical Science - A Review of Forces

Total questions: 140

Worksheet time: 4hrs 26mins

Name
Class
Date
1.

Force created between two touching forces is ______ force

a)

gravitational

b)

normal

c)

applied

d)

friction

2.

Force of attraction (pulling) between two objects. (Every object experiences this on earth)

a)

gravitational

b)

normal

c)

applied

d)

friction

3.

Force that resists motion between two surfaces.

a)

gravitational

b)

normal

c)

applied

d)

friction

4.

This arrow depicts which kind of force?

a)

gravitational

b)

normal

c)

applied

d)

friction

5.

This arrow depicts which kind of force?

a)

gravitational

b)

normal

c)

applied

d)

friction

6.

Rina’s mother asked her to help move some items from the hall closet to the garage. One item she wanted to move was a large box of old school books. Rina tried to lift the box, but could not pick it up. What force was Rina NOT able to overcome?

a)

frictional force

b)

gravitational force

c)

applied force

d)

normal force

7.

Leanna decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it, but found that the dresser would not move. What force was Leanne NOT able to overcome?

a)

normal force

b)

gravitational force

c)

tension force

d)

frictional force

8.

Is the force usually exerted by a surface that an object is on

a)

Friction

b)

Normal force

c)

Elasticity

d)

Tension

9.

what is a force?

a)

a push or a pull

b)

change in displacement

c)

change in direction

10.

what is the force acting in the ropes of the swing?

a)

tension

b)

normal reaction

c)

friction

d)

gravitation

11.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
12.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
13.
Name the missing force...
a)
tension force
b)
gravitational force
c)
normal force
d)
applied force
14.
Name the missing force...
a)
applied force
b)
weight force
c)
lift
d)
normal force
15.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
16.

What type of friction is not moving?

a)

static

b)

kinetic

c)

fluid

17.

Is the force of attraction that the body with mass exerts on another.

a)

Tension

b)

Push or pull

c)

Gravity

d)

Normal force

18.

This force is a support force when you're leaning against a surface.

a)

Applied force

b)

Normal force

c)

force of Gravity

d)

Air resistance

19.

The upward force acting on the gymnast by the rope is called __________________.

a)

Force of tension

b)

Force of gravity

c)

Normal Force

d)

Force of friction

20.

What type of force is exerted when a body moves another.

a)

Normal force

b)

Friction

c)

Elastic

d)

Applied force

21.

What force is applied on the book by the table (represented by R)?

a)

Frictional force

b)

Gravitational force

c)

Normal force

d)

Weight

22.

Which way is the object moving?

a)

it's either not moving or moving at a constant speed due to balanced forces

b)

to the right

c)

to the bottom

d)

up

23.

The coffee cup in the picture is at rest on the table. What is true about the Normal force?

a)

The normal force is exactly 15

b)

The normal force is less than 15

c)

The normal force is more than 15

d)

The normal force is -10

24.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

25.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
26.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
27.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
28.
Which is moving at a constant speed or not at all?
a)
a
b)
b
c)
c
d)
d
29.
Which is moving up?
a)
a & b
b)
b
c)
b & c
d)
d
30.

Forces that have a net force that is not zero.

a)

Balanced force

b)

Unbalanced force

c)

Baby Yoda

31.

A rightward force is applied to a car to accelerate it to the right down the sidewalk.

(anytime you see "push" or "pull" that is the same as "applied" force)

a)
b)
c)
d)
32.

In a force diagram the size/length of the arrow tells you this about the force:

a)

the strength of the force

b)

the distance of the force

c)

the direction of the force

33.

This diagram can be used to indicate which of the following? (TWO correct answers)

a)

a object at rest

b)

an object moving at a constant velocity (speed)

c)

an object accelerating

d)

(Trick question -- there is only one correct answer)

e)

an object decelerating

34.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
35.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
36.
Is it BALANCED? 
a)
Yes
b)
No
37.

The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?

a)

No forces are missing

b)

The normal force from the table pushing the cup up.

c)

The normal force form the table pushing the cup down.

d)

The friction force from the table pushing the cup left and right.

38.
Calculate the net force acting upon the object.
a)
10 N north
b)
10 N south
c)
14.1 N east
d)
0 N
39.
Calculate the net force acting upon the object.
a)
10 N east
b)
0 N
c)
14.1 N east
d)
20 N north
40.

Calculate the net force acting upon the object.

a)

10N, north

b)

20N, south

c)

10N, south

d)

22.4N, north

41.

What is the net force of the block?

a)

8N, right

b)

2N, right

c)

8N, left

d)

2N, left

42.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
43.

Determine the net force and direction of motion:

a)

16 N Right

b)

16 N Left

c)

0 N not moving

d)

0 N left

44.

Determine the net force and direction:

a)

11 N Left

b)

11 N Right

c)

0 N Left

d)

5 N Left

45.

Determine the net force and direction

a)

20 N up

b)

0 N no movement

c)

20 N down

d)

40 N down

46.

Determine the net force and direction

a)

15 N up

b)

15 N down

c)

0 N no movement

d)

30 N up

47.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
48.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
49.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
50.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
51.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
52.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
53.
The mass of a car is 1000 kg.  How much force would be required to accelerate the car at a rate of 3 m/s2? 
a)
1000 ÷ 3
b)
3 ÷ 1000
c)
1000 x 3
54.
A force of 250 N is applied to an object that accelerates at a rate of 5 m/s2.  What is the mass of the object? To solve this problem you must do - 
a)
250 ÷ 5
b)
5 ÷ 250
c)
250 x 5
55.
A 5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the object. To solve this problem you must do - 
a)
32 ÷ 5
b)
5 ÷ 32
c)
32 x 5
56.
A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s2. What is the mass of the skier? To solve this problem you must do - 
a)
132 ÷ 2
b)
2 ÷ 132
c)
132 x 2
57.
The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?
a)
Object 1
b)
Object 2
c)
Object 3
d)
Object 4
58.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
59.
A basketball with a mass of 0.60 kg is accelerated with a force of 10.8 N. If resisting forces are ignored, what is the acceleration of the basketball to the nearest m/s2?
a)
16 m/s2
b)
17 m/s2
c)
18 m/s2
d)
19 m/s2
60.
A cat sitting on couch, a pencil on desk and a car at rest are all example of..
a)
Balanced Force
b)
Unbalanced Force
61.
A car speeding up, a dog slowing down and person turning around the block are examples of..
a)
Balanced Forces
b)
Unbalanced Forces
62.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
63.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
64.
A bike accelerates at 10 m/s2 when a force of 50N is applied.  What is the mass of the bike and its rider?
a)
25 kg
b)
200 kg
c)
20 kg
d)
5 kg
65.

What is inertia?

a)

The resistance of any physical object to any change in its state of motion

b)

The amount of mass an object has

c)

A reaction in an object

d)

No one knows

66.

Which of the following has more inertia?

a)

Bowling ball

b)

Tennis ball

67.

Which of the following has less inertia?

a)

Feather

b)

Hammer

68.

Which law of motion is also known as the Law of Acceleration?

a)

First Law

b)

Second Law

c)

Third Law

69.

Newton's Second Law says that an unbalanced force is applied to an object, it causes it to _____.

a)

accelerate

b)

slow down

c)

stay at rest

d)

have more mass

70.

The greater the force that is applied, the _____ the acceleration.

a)

greater

b)

lesser

71.

The less the force that is applied, the _____ the acceleration.

a)

greater

b)

lesser

72.

What equation is used to solve Newton's Second Law problems?

a)

F = ma

b)

M = Fa

c)

A = m / F

d)

F = m / a

73.

Which law of motion is also known as the Law of Action - Reaction?

a)

First Law

b)

Second Law

c)

Third Law

74.

Newton's Third Law says that forces must always occur in _____.

a)

pairs

b)

groups of 20 or more

c)

individual circumstances

d)

friction

75.

In Newton's Second Law equation, what does the F stand for?

a)

force

b)

friction

c)

french fries

d)

friends

76.

In Newton's Second Law equation, what does the m stand for?

a)

mass

b)

minutes

c)

measurement

d)

mountain

77.

In Newton's Second Law equation, what does the a stand for?

a)

acceleration

b)

animals

c)

atom

d)

ant

78.

What measurement is used to measure force?

a)

Newtons

b)

Kelvin

c)

Kilos

d)

Moles

79.
A force that slows or stops motion when objects rub together.
a)
Friction
b)
Push
c)
Pull
d)
Magnetism
80.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
81.
According to Newton's second law, if you increase the force applied to an object :
a)
it accelerates more
b)
it doesn't move
c)
you get more inertia
d)
it decelerates
82.

An object in motion stays in motion and an object at rest stays at rest UNLESS

a)

acted on by a balanced force.

b)

acted on by an unbalanced force.

83.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
84.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
85.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
86.
Calculate the net force shown in the  diagram?
a)
41 N
b)
25 N
c)
16 N
d)
9 N
87.
Calculate the net force shown in the  diagram?
a)
6 N
b)
0 N
c)
3 N
d)
9N
88.
Look at the diagram. What would be the direction of the motion ?
a)
movement to the left
b)
movement to the right
c)
no movement
89.

If there are two forces going in the opposite direction how would you find the net force?

a)

Subtract

b)

Add

c)

Neither

d)

Multiply

90.

If both people are exerting a force of 20 N, what is the net force?

a)

20 N

b)

40 N

c)

400 N

d)

0 N

91.

If the boy is pulling with a force of 10 N and the girl is pushing with a force 20 N, what is the net force on the box?

a)

10 N

b)

20 N

c)

30 N

d)

0 N

92.

How do you find the net force of this image.

a)

Add up all the arrows

b)

Add a green arrow and the orange arrow.

c)

Subtract all the arrows.

d)

Add the green arrows and subtract the orange arrow.

93.

What is the overall Net Force and which side has a greater Net Force?

a)

641, Left

b)

571, Left

c)

601, Right

d)

480, Right

94.

8 N to the left , and 4 N to the right. Find the net force. Is this balanced

a)

12 N Right No

b)

12 N Right Yes

c)

4 N Left Yes

d)

4 N Left No

95.

If a person is picking up a book with the force of 50 N and the gravity is pushing down with 15 N, what is the net force?

a)

50 N

b)

35 N

c)

65 N

d)

15 N

96.

You and your friend, are playing tug of war. Your friend pulls with a force of 55 N, to the rights. You pull with a force of 65 N, to the left. What is the net force on the rope?

a)

20 N, to the left

b)

20 N, to the right

c)

10 N, to the right

d)

10 N, to the left

97.
What is the unit for FORCE? 
a)
N (Newtons)
b)
lbs (pounds)
c)
g (grams)
d)
m/s (meters per second)
98.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
99.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
100.

Weight is _________.

a)

the quantity of matter in an object.

b)

the measure of an object's inertia.

c)

the force exerted by gravity on an object's mass.

d)

equal to the mass of an object.

101.

How much force is needed to accelerate a 3kg skateboard at 5m/s2.

a)

8N

b)

1.6N

c)

0.6N

d)

15N

102.

How much force is needed to accelerate a 25kg bowling ball at 2m/s2.

a)

50N

b)

5N

c)

12.5N

d)

100N

103.

If a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?

a)

1 m

b)

2 m/s2

c)

4m/s2

d)

1 m/s2

104.

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2

a)

102.04 n

b)

9,800 n

c)

980 n

d)

103 n

105.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
a)
100 m/s2
b)
25,000 m/s2
c)
10 m/s2
d)
25 m/s2
106.
A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2.  What is the mass of the object?
a)
100kg 
b)
1,250kg
c)
50kg
d)
5kg
107.
How much force is needed to accelerate a 25kg bowling ball at 2m/s2. 
a)
50N
b)
5N
c)
12.5N
d)
100N
108.
If a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?
a)
1 m
b)
2 m/s2
c)
4m/s2
d)
1 m/s2
109.
If you increase the force on an object, its acceleration? 
a)
decreases
b)
stays the same
c)
also increases
d)
stops
110.
What is the magnitude (size) and direction of the net force?
a)
15 N to the left
b)
15 N to the right
c)
1 N to the left
d)
1 N to the right
111.
What is the magnitude (size) and direction of the net force?
a)
14 N Down
b)
14 N Up
c)
6 N Up
d)
6 N Down
112.

What is mass?

a)

the amount of matter in an object (amount of atoms)

b)

An object's change in velocity

c)

A push or a pull

113.

What is acceleration?

a)

the amount of matter in an object (amount of atoms)

b)

An object's change in velocity

c)

A push or a pull

114.

What is force?

a)

the amount of matter in an object (amount of atoms)

b)

An object's change in velocity

c)

A push or a pull

115.

A sprinter with a mass of 70 kg accelerates at a rate of 5 m/s2. What force is the sprinter exerting?

a)

350 N

b)

350 kg

c)

350 m/s2

116.

With 800 N of force, a long jumper in flight accelerates at a rate of 10 m/s2. What is the mass of the long jumper?

a)

80,000 kg

b)

80 kg

c)

80 m/s2

d)

80 N

117.

A tow truck pulls a 1,100 kg car with a force of 3,300 N. What is the acceleration of the tow truck?

a)

0.33 kg

b)

3 m/s2

c)

3 N

d)

3 kg

118.

A jet plane is accelerating at 2 m/s2 with a force of 40,000 N. What is the mass of the jet plane?

a)

20,000 kg

b)

2 kg

c)

80,000 kg

d)

0.00005 kg

119.

A boy on his skateboard is accelerating at a rate of 5 m/s2 and has a mass of 40kg. How much force does the boy on his skateboard have?

a)

200 N

b)

200 kg

c)

8 N

d)

8 kg

120.

A force of 25 Newtons is applied to object with a mass of 5 kg. What is the acceleration of the object?

a)

125 m/s2

b)

5 N

c)

125 N

d)

5 m/s2

121.

A helicopter is exerting a force of 100,000 newtons. What is its acceleration if the mass is 1000 kg?

a)

100 N

b)

100 m/s2

c)

100 kg

122.

An elephant is putting 25,000 newtons of force on Sara. The elephant is accelerating at a rate of 10 m/s2, what is its mass?

a)

25 kg

b)

2,500 kg

c)

2 N

d)

250,000 m/s2

123.

Find the missing variable

a)

10 kg

b)

10 N

c)

10 m/s2

124.

Find the missing variable

a)

1464 N

b)

10.16 m/s2

c)

1464 kg

d)

10.16 kg

125.

Find the missing variable

a)

3 m/s2

b)

3 N

c)

300 m/s2

d)

0.333 m/s2

126.

Find the missing variable

a)

28 m/s2

b)

7 N

c)

28 N

d)

0.14 N

127.

If an elephant were chasing you, its enormous mass would be very threatening. But if you zigzagged, the elephant’s mass would be to your advantage. Why?

a)

The elephant's inertia (it's resistance to a change in it's motion) is much larger than your inertia.

b)

Elephants have thicker legs than you

c)

Because elephants have knees that bend in the opposite direction, the cannot make sharp turns like you.

d)

Elephants are, you know, kind of lazy.

128.

Friction is a force that acts on an object in the opposite direction of its motion. Imagine a sky diver falling downward with 25 N of force. She experiences 15 N of air resistance. What is the net force experienced by the sky diver and in what direction is the net force?

a)

40 N down

b)

40 N up

c)

10 N down

d)

15 N up

129.

What is the mass of a falling rock that produces a force of 147 N IF acceleration due to gravity was rounded to 10 m/s/s ?

a)

1470 kg

b)

14.7 kg

c)

10 m/s2

d)

0.147 Kg

130.

Your car has a mass of 2000 kg. If your car produces a force of 5000 N, how fast will it accelerate?

a)

10,000 m/s2

b)

10 m/s2

c)

2.5 m/s2

d)

200 m/s2

131.

Forces cause ....

a)

motion

b)

a change in motion

132.

For an acceleration to occur an object must speed up, slow down, or change directions.

a)

True

b)

False

133.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
134.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
135.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
136.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
137.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
138.
The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?
a)
Object 1
b)
Object 2
c)
Object 3
d)
Object 4
139.
Examine the table provided. Which of the objects is producing the greatest force?
a)
Soccer Ball
b)
Tennis Ball
c)
Marble
d)
Ping-Pong Ball
140.
Unbalanced forces make an object:
a)
Come to rest
b)
move at constant velocity
c)
accelerate
d)
explode

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