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net force

Total questions: 113

Worksheet time: 2hrs 1mins

Name
Class
Date
1.
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
2.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
3.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
4.
What is force?
a)
A push exerted on an object
b)
A push or pull exerted on an object
c)
A pull exerted on an object
d)
Nothing
5.
Calculate the net force shown in the  diagram?
a)
0N
b)
400 N
c)
600 N
d)
800 N
6.
Calculate the net force shown in the  diagram?
a)
41 N
b)
25 N
c)
16 N
d)
9 N
7.
Calculate the net force shown in the  diagram?
a)
6 N
b)
0 N
c)
3 N
d)
9N
8.
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
9.

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

10.

What is the net force in this example?

a)

200 N

b)

125 N

c)

50 N

d)

75 N

11.

Which direction will the net force be?

a)

Right

b)

Left

c)

Up

d)

Down

12.

Is this a balanced or unbalanced force?

a)

Balanced

b)

Unbalanced

13.

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

14.

If both people are exerting a force of 30 N, what is the net force?

a)

30 N

b)

60 N

c)

300 N

d)

0 N

15.

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

16.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
17.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
18.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
19.
Calculate the net force of the object.
a)
10N
b)
2N
c)
15N
d)
5N
20.
Is this a balanced or unbalanced force?
a)
Balanced
b)
Unbalanced
c)
Neither
d)
Both
21.
Which direction will the object move?
a)
Right
b)
Left
c)
Up
d)
Down
22.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
23.
Is this a balanced or unbalanced force?
a)
Balanced
b)
Unbalanced
c)
Neither
d)
Both
24.
This model shows the forces applied to a box.  However, this model DOES NOT show ________________________.
a)
the forces acting in opposite directions
b)
that the forces are unequal
c)
that student B is pushing harder
d)
the actual amount of the forces
25.
If a force causes an object to move, it's considered a(n) __________________ force.
a)
Balanced
b)
Unbalanced
c)
Massive
d)
Strong
26.
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.
27.
If a force causes an object to start moving, stop moving, or change direction it's considered a(an)__________________force.
a)
Balanced
b)
Unbalanced
c)
Magnetic
d)
Gravitational
28.
A cyclist traveling at 25 km/hr turns sharply to the left while continuing to move 25 km/hr. This means the forces involved are_____________________.
a)
Balanced, because the cyclist's speed did not change.
b)
Balanced, because he was still moving forward.
c)
Unbalanced, because it's the same bicycle.
d)
Unbalanced, because his direction changed.
29.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
30.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to remain in place?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
31.
If a force does not cause an object to move, it's considered a(n) __________________ force.
a)
Balanced
b)
Unbalanced
c)
Wimpy
d)
Weak
32.
An airplane is travelling North through the sky at a constant speed when turbulence causes it to take a different route, changing its direction. Explain the forces at work on this plane.
a)
Unbalanced, because the plane is moving forward, not backwards
b)
Unbalanced, because the speed is constant and there is a change in direction
c)
Balanced, because the plane is not falling to a lower altitude
d)
Unbalanced, because the plane is in motion
33.
An airplane is travelling at a constant speed of 540 mph.  Explain the forces at work on the plane.
a)
Unbalanced, because the plane is moving forward not backards
b)
Balanced, because the speed is constant and there is no change in direction
c)
Balanced, because the plane is not falling to a lower altitude
d)
Unbalanced, because the plane is in motion
34.
Imagine a bat swinging with a force of 1200 N, hitting a ball pitched with a force of 400 N. At what net force does the ball move away from the bat?
a)
1600 N
b)
800 N
c)
400 N
d)
Net force of 0 N
35.
The roller coaster car begins at point W.  At what point along the track will the car have the greatest amount of kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
36.

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

37.

Do directions matter with forces?

(a)  

38.

Do directions matter with forces?

(a)  

39.

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

a)

True

b)

False

40.

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

a)

True

b)

False

41.

If the net force (Fnet) is 0, _____

a)

the forces are balanced.

b)

the object just keeps doing what it was doing.

c)

the object maintains its same speed and direction.

d)

the object maintains its velocity.

e)

the object does not speed up, slow down, or turn.

42.
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
43.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
44.
Which one is balanced?
a)
top
b)
bottom
c)
both
45.
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
46.
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
47.
What is the magnitude (size) and direction of the net force?
a)
21 N to the Left
b)
3 N to the Left
c)
21 N to the Right
d)
3 N to the Right
48.
What is the magnitude (size) and direction of the net force?
a)
10 N to the Right
b)
10 N to the Left
c)
0 N
d)
8 N to the Left
49.
What is the magnitude (size) and direction of the net force?
a)
5 N to the Right
b)
5 N to the Left
c)
10 N to the Right
d)
4 N to the Left
50.
Two people are pushing a disabled car. One exerts a force of 200 N east, the other a force of 150 N east. What is the net force exerted on the car?
a)
50 N east
b)
350 N east
c)
50 N west
d)
350 N west
51.
Mrs. Moran and Mr. Moran decided to move the cabinet in their dining room.  Mrs. Moran stood on one side, and Mr. Moran stood on the other.  They each pushed with 30 N of force.  What was the net force on the cabinet?
a)
0 N
b)
60 N
c)
30 N
d)
90 N
52.
Two teams were having a tug of war.  Team A had four people on the team, and each of them pulled with 25N of force.  Team B had three people on the team, and each of them pulled with 35 N of force.  Which team won, and how much greater was their net force on the rope?
a)
Team B by 5 N
b)
Team B by 30 N
c)
Team A by 20 N
d)
Team B by 65 N
53.
Calculate the Acceleration.
a)
20
b)
5
c)
.2
d)
80
54.
Calculate the Acceleration.
a)
8
b)
1
c)
.125
d)
5
55.
Calculate the net force.
a)
600 N
b)
66.7 N
c)
.015 N
56.
Calculate the net force.
a)
16 N
b)
4 N
c)
.25 N
57.
What is the net force needed to accelerate a 66 kg skier at 2 m/sec2?
a)
132 N
b)
33 N
c)
58.8 N
d)
.030 N
58.
A net 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)
50 kg
b)
245 kg
c)
.02 kg
d)
25.5 kg
59.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
60.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
61.
Calculate the net force shown in the  diagram?
a)
41 N
b)
25 N
c)
16 N
d)
9 N
62.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
63.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
64.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
65.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

66.
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.
67.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

68.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
69.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
70.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
71.
A force is a push or pull measured in what units? 
a)
Meters per second, squared
b)
Kilograms 
c)
Newtons 
72.

Calculate the Acceleration.

Hint: Net force = mass x acceleration.

Remember Net force = same sides (add numbers); opposite sides (subtract numbers)

a)

20

b)

5

c)

.2

d)

80

73.

Calculate the Acceleration.

Hint: Net force = mass x acceleration.

Remember Net force = same sides (add); opposite sides (subtract)

a)

8

b)

1

c)

.125

d)

5

74.

Calculate the net force.

Hint: Net force = mass x acceleration.

a)

600 N

b)

66.7 N

c)

.015 N

75.

Calculate the net force.

Hint: Net force = mass x acceleration.

a)

16 N

b)

4 N

c)

.25 N

76.

What is the net force needed to accelerate a 66 kg skier at 2 m/sec2?

Hint: Net force = mass x acceleration.

a)

132 N

b)

33 N

c)

58.8 N

d)

.030 N

77.

The mass of a large car is 1000 kg. The car accelerates at a rate of 3 m/sec2? Find the net force.

Hint: Net force = mass x acceleration.

a)

3000 N

b)

300 N

c)

30 N

d)

3 N

78.

What is the formula for net force?

a)

mass/accerleration

b)

acceleration/mass

c)

mass * acceleration

d)

mass * net force

79.
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
80.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
81.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
82.
Which one is balanced?
a)
top
b)
bottom
c)
both
83.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
84.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
85.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
86.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
87.

What is the net force for the following scenario. 100 N going left and 25 N going right.

a)

125N

b)

75N

c)

75N left unbalanced

d)

75N left balanced

88.

Calculate the net force for the diagram.

a)

800 N down unbalanced

b)

600N down balanced

c)

400 N down unbalanced

d)

400 N up unbalanced

89.

Calculate the net force for the diagram.

a)

800 N down unbalanced

b)

600N down balanced

c)

400 N down unbalanced

d)

400 N up unbalanced

90.

Calculate the net force for the diagram.

(a)  

91.

When two force act in the same direction, how would you calculate the net force?

a)

Subtract the forces

b)

Balance the forces

c)

Add the forces

d)

Divide the forces.

92.

Calculate the net force of the baseball batter. Make sure to include direction and balanced or unbalanced.

(a)  

93.

When forces are going in the opposite direction, how do you calculate net force?

a)

Add the forces

b)

Divide the forces

c)

Find a fraction of the forces.

d)

Subtract the forces.

94.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
95.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
96.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
97.

Which direction will the object accelerate?

a)

Up

b)

Down

c)

Right

d)

Left

98.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
99.
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
100.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
101.

Student A is pushing at 63 newtons, and student B is pushing at 56 newtons. What is the net force (calculation).

a)

119 N Right

b)

7

c)

7 N Right

d)

119

102.

Mrs. Jones is pulling a rope at 73 newtons, and a student is pulling a rope at 47 newtons. What is the net force (calculation).

a)

26

b)

120 N Left

c)

26 N Left

d)

120

103.

What is the net force (calculation).

a)

5 N Right

b)

19 N Left

c)

13 N Right

d)

13 N Left

104.
What is the net force?
a)
4.2 N left
b)
4.2 N right
c)
2.2 N left
d)
2.2 N right
105.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
106.
Find the net force: 15 N to the right, and another 15 newtons to the right.
a)
0 N Right
b)
0 N Left
c)
30 N Left
d)
30 N Right
107.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
108.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
109.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
110.
__________ is the sum of all forces acting on an object. It is capable of accelerating a mass. 
a)
velocity
b)
gravity
c)
net force
d)
distance
111.
__________ is the sum of all forces acting on an object. It is capable of accelerating a mass. 
a)
velocity
b)
gravity
c)
net force
d)
distance
112.
__________ is the sum of all forces acting on an object. It is capable of accelerating a mass. 
a)
velocity
b)
gravity
c)
net force
d)
distance
113.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced

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