wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Balanced Unbalanced Forces

Total questions: 78

Worksheet time: 1hrs 4mins

Name
Class
Date
1.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
2.
A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
3.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
Earth orbiting the Sun 
d)
A baseball that has been thrown to home plate.
4.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space 
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter 
d)
A rocket taking off 
5.

Which of the following objects will experience an unbalanced force?

a)

A bike rider on a smooth and level road, pedaling at a constant rate.

b)

A train pulling on another train, each with the same amount of force.

c)

A chair sitting on the floor with balanced forces acting in opposite directions.

d)

A ball rolling across the floor with friction acting in the opposite direction.

6.
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.
7.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
8.
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 up. 
9.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
10.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
11.
Which of the blocks above has balanced forces acting on it?
a)
A
b)
B
c)
C
d)
D
12.

two forces acting in opposite directions on an object, and do not cause a change in motion; equal in size

a)

Force

b)

Balanced Force

c)

Unbalanced Force

d)

Inertia

13.

two forces acting on an object and causes a change in motion; not equal in size.

a)

Force

b)

Balanced Force

c)

Unbalanced Force

d)

Net Force

14.
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
15.
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 up. 
16.
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. 
17.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
18.

Calculate the Net Force.

a)

60N, Left

b)

40N, Right

c)

0N

d)

60N, Right

19.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
20.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
21.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
22.

What is true about this image?

a)

It shows unbalance forces.

b)

It shows balanced forces.

c)

The people on the right are winning.

d)

The people on the left are winning.

23.

What is true about this picture?

a)

the forces are balanced

b)

the net force is 10N

c)

The net force is 3 N

d)

The net force is 7N

24.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
25.

Which of the following statements is true?

a)

Balanced forces cause a change in motion.

b)

Unbalanced forces cause a change in motion.

c)

Forces do not effect the change in motion.

26.

A lamp sitting on a table.

a)

Balanced Force

b)

Unbalanced Force

27.

The moon orbiting the Earth at a constant speed.

a)

Balanced Force

b)

Unbalanced Force

28.

A car accelerating around a mountain curve.

a)

Balanced Force

b)

Unbalanced Force

29.

Two ice skaters moving in a straight line at a constant speed.

a)

Balanced Force

b)

Unbalanced Force

30.

A skier skiing through flags in a race down the mountain.

a)

Balanced Force

b)

Unbalanced Force

31.

A book sitting on a shelf.

a)

Balanced Force

b)

Unbalanced Force

32.

A gymnast on a balance beam doing a back flip.

a)

Balanced Force

b)

Unbalanced Force

33.

Cars in a NASCAR race speeding around the track.

a)

Balanced Force

b)

Unbalanced Force

34.

A soccer ball sitting on the ground motionless.

a)

Balanced Force

b)

Unbalanced Force

35.

A rocket lifting off the launch pad.

a)

Balanced Force

b)

Unbalanced Force

36.
Are the forces acting on the sled in Section 1 balanced or unbalanced? The track is smooth and frictionless.
a)
Balanced
b)
Unbalanced
37.
Are the forces acting on the sled in Section 3 balanced or unbalanced? The track is smooth and frictionless.
a)
Balanced
b)
Unbalanced
38.
Are the forces acting on the sled in Section 2 balanced or unbalanced? The track is smooth and frictionless.
a)
Balanced
b)
Unbalanced
39.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
40.
Are forces balanced or unbalanced when an ice skater is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
41.
Are forces balanced or unbalanced when skateboarding down a ramp?
a)
Balanced
b)
Unbalanced
42.
Are forces balanced or unbalanced when plates at a transform fault move and cause an earthquake?
a)
Balanced
b)
Unbalanced
43.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
44.
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.
45.

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

46.

Student A is pulling at 57 newtons and student B is pushing at 96 newtons. What is the net force (calculation).

a)

153 N Left

b)

39 N Left

c)

153 N Right

d)

39

47.

What is the net force (calculation).

a)

5 N Right

b)

19 N Left

c)

13 N Right

d)

13 N Left

48.

What is the net force (calculation).

a)

5

b)

11 N Right

c)

5 N Right

d)

0 N

49.

Forces that have a net force of zero ( the object is still) are ?

a)

Unbalanced

b)

Balanced

50.
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
51.
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
52.
Which one is balanced?
a)
top
b)
bottom
c)
both
53.
What is the FORCE? 
a)
5 N
b)
10 N
c)
400 N
d)
0 N
54.
What is the unit for FORCE? 
a)
N (Newtons)
b)
lbs (pounds)
c)
g (grams)
d)
m/s (meters per second)
55.
If there are two forces going in the SAME direction, you would ...?
a)
(-) Subtract the forces
b)
(+) Add the forces
c)
Neither
d)
(x) Multiply
56.
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
57.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
58.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
59.
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
60.
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
61.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
62.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
63.
2H2 + O2 ----> 2H2O What is the product?
a)
------>
b)
2H2O
c)
2H2+ O2
64.
2H2 + O2 --------> 2H2O What  are the reactants?
a)
----->
b)
2H2O
c)
2H2 +O2
65.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
66.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
67.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
68.
How many atoms are in the element Carbon in this compound?
H2C3O4N5
a)
2
b)
3
c)
4
d)
5
69.
Is this equation balanced?
a)
yes
b)
no
c)
Not enough information
70.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.
71.
The law of conservation of matter states that
a)
chemical reactions change matter.
b)
in chemical reactions, the identity of reactants and products is conserved.
c)
atoms are neither created nor destroyed in chemical reactions.
d)
a chemical equation must be balanced.
72.
How many Chlorine are in MgCl2?
a)
2
b)
1
c)
3
73.
How many atoms are in the element Carbon in this compound?
H2C3O4N5
a)
2
b)
3
c)
4
d)
5
74.
Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
75.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
76.
A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
a)
element symbol; atoms
b)
atom; element symbol
c)
subscript; protons
d)
compound; elements
77.
Is this balanced?...
Al + O2 --> 2Al2O3
a)
Yes!
b)
NO!
78.

What is a coefficient?

a)

the small number on the right of the chemical symbol

b)

the large number to the left of a formula

c)

the numbers inside of the parentheses

d)

the small number to the left of the chemical symbol

Similar Resources on Wayground

Earth Science SSA Review 6th & 7th

80 questions

Earth Science SSA Review 6th & 7th

quiz

Worksheet

•

6th - 8th Grade

Matter: Physical and Chemical Properties/Changes

75 questions

Matter: Physical and Chemical Properties/Changes

quiz

Worksheet

•

6th Grade

Human Body Systems Review

75 questions

Human Body Systems Review

quiz

Worksheet

•

7th Grade

STEMbee

80 questions

STEMbee

quiz

Worksheet

•

7th Grade

Transformations de la matière

80 questions

Transformations de la matière

quiz

Worksheet

•

8th Grade

Kinetic and Potential Energy Review

78 questions

Kinetic and Potential Energy Review

quiz

Worksheet

•

6th - 8th Grade

Year 7 ecology

79 questions

Year 7 ecology

quiz

Worksheet

•

7th Grade

SOL REVIEW 8th Grade

80 questions

SOL REVIEW 8th Grade

quiz

Worksheet

•

6th - 8th Grade