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WorksheetsBalanced, Unbalanced and Net Forces
Total questions: 100
Worksheet time: 1hrs 22mins
Name
Class
Date
1.
What is the net force?
a)
20 N
b)
0 N
c)
400 N
d)
40 N
2.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
3.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
4.
What is the net force?
a)
30 N
b)
25 N
c)
5 N
d)
55 N
5.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
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.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
8.
Forces that have a net force of zero
a)
Balanced force
b)
Unbalanced force
9.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
10.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
11.
Balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
12.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
13.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
14.
The force that pulls objects towards Earth.
a)
Gravity
b)
Friction
c)
Inertia
d)
Force
15.
Examples of forces that make something move are...
a)
pushes
b)
pulls
c)
both pushes and pulls
16.
When forces are _________ the object DOES NOT move.
a)
unbalanced
b)
balanced
c)
heavy
d)
light
17.
When forces are ___________ the object will move.
a)
unbalanced
b)
balanced
c)
light
d)
gravity
18.
What is the net force of an object that is not moving?
a)
0 N
b)
100 N
c)
Upward force
d)
10 N
19.
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
20.
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.
21.
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.
22.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
23.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
24.
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
25.
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.
26.
Calculate the Net Force.
a)
60N, Left
b)
40N, Right
c)
0N
d)
60N, Right
27.
Calculate the Net Force.
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
28.
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
29.
The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________
a)
inertia
b)
motion
c)
gravity
d)
lubricant
30.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
31.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
32.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
33.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
34.
Forces can change the ________ of a moving object.
a)
direction
b)
push
c)
pull
d)
friction
35.
A push or pull that causes a change in motion
a)
Friction
b)
Gravity
c)
Force
d)
Mass
36.
The force that pulls objects towards Earth.
a)
Gravity
b)
Friction
c)
Inertia
d)
Force
37.
a person pushing on a cement wall
a)
balanced force
b)
unbalanced force
38.
a see-saw with the same weight on both sides
a)
balanced force
b)
unbalanced force
39.
a car being towed
a)
balanced force
b)
unbalanced force
40.
A parked truck
a)
balanced force
b)
unbalanced force
41.
a book rests on a table
a)
balanced force
b)
unbalanced force
42.
a student slides a book across the table to a friend
a)
balanced force
b)
unbalanced force
43.
An object that is at rest will begin to move if which of the following is true?
a)
The surface on which it rests is frictionless.
b)
The mass of the object is sufficient.
c)
Unbalanced forces act on the object.
d)
Gravity on the object can be reduced.
44.
The forces acting on a box are illustrated.
a)
move to the right at a constant speed.
b)
accelerate to the right.
c)
move to the left at a constant speed.
d)
accelerate to the left.
45.
A game of tug-of-war, in which two teams pull on opposite ends of a rope, is illustrated here.
The center of the rope will move when which of the following is true?
The center of the rope will move when which of the following is true?
a)
The ground provides no friction for either team.
b)
One team has more people than the other.
c)
The rope has essentially no mass of its own.
d)
One team pulls with more force than the other.
46.
a)
The forces are balanced, and the net force is zero.
b)
The forces are unbalanced, and the force of Horse 1 is greater.
c)
The forces are unbalanced, and the force of Horse 2 is greater.
d)
The forces are balanced, and the force of Horse 1 is greater.
47.
A push or a pull that can change the motion of an object
a)
Motion
b)
Speed
c)
Force
d)
Inertia
48.
A force that changes an object’s motion, direction, or speed
a)
unbalanced force
b)
balanced force
c)
speed
d)
motion
49.
The unit of measurement of FORCE
a)
Newton (N)
b)
Grams (g)
c)
milliliter (mL)
d)
meter (m)
50.
An object at rest has equal forces acting on it. This can be described as a(n) _________________ force.
a)
gravity
b)
unbalanced
c)
balanced
d)
physical
51.
Which is the best example of an unbalanced force?
a)
A book resting on a shelf
b)
A train accelerating from the station
c)
a chair sitting motinless
d)
a car driving at a constant speed
52.
When forces are balanced, the total force is _______?
a)
zero
b)
is greater than the sum of the forces
c)
is negative
d)
is equal to the largest force
53.
What is the net force?
a)
30N
b)
0N
54.
What is the net force?
a)
60N
b)
180N
55.
What method would I use to calculate the net force?
a)
add
b)
subtract
c)
multiply
d)
divide
56.
What method would I use to calculate net force?
a)
subtract
b)
multiply
c)
add
d)
divide
57.
A skier going down a mountain
a)
balanced
b)
unbalanced
58.
The moon orbiting the Earth at a constant speed
a)
balanced
b)
unbalanced
59.
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.
60.
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.
61.
This is a rocket. The rocket pushes the fuel down. What is the other force in this interaction pair?
a)
The fuel pulls the rocket up.
b)
The fuel pushes the rocket up.
c)
The rocket pulls the earth up.
d)
The earth pulls the rocket down.
62.
On the Picture the balloon pushes the air right. What is the second force in this interaction pair?
a)
The air pulls the ball left
b)
Gravity pulls the balloon down
c)
The air pushes the balloon left.
d)
The air pulls the balloon right.
63.
Which force is so low that it causes the man to slip and fall?
a)
Gravity
b)
Friction
c)
Air Resistance
d)
Motion
64.
How could you make an object increase its speed?
a)
use less force
b)
use more force
c)
use no force
65.
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
66.
A pull or push that acts on an object is called a
a)
force
b)
motion
c)
mass
d)
momentum
67.
_________ opposes the motion of one object moving past another.
a)
friction
b)
velocity
c)
unbalanced forces
d)
simple machines
68.
Objects at rest remain at rest and objects traveling at a steady rate in a straight line continue that way until a _________acts on them.
a)
force
b)
velocity
c)
inertia
d)
acceleration
69.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
70.
friction is a force that acts
a)
in the same direction as the motion
b)
opposite to the direction of the motion
c)
opposite to the applied forces
d)
the same direction as the applied force
71.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
72.
If I slowly roll a ball down the hallway, why does it eventually stop?
a)
Because of Newton's First Law
b)
Friction and Air Resistance
c)
Inertia
d)
It wouldn't stop, it would keep going until it hits a wwall.
73.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
74.
Without gravity we would________.
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
75.
Which object has a GREATER force of gravity?
a)
Ball
b)
Earth
76.
Which object has more mass?
a)
Ball
b)
Earth
77.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
78.
Why a ball falls to the ground?
a)
Earth's force of gravity is GREATER than the ball's, so the ball gets attracted to the ground.
b)
Earth's force of gravity is LESS than the ball's, so the ball gets attracted to the ground.
79.
Which has a STRONGER force of gravity, Earth or the Moon?
a)
Earth
b)
Moon
80.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
81.
Examples of forces that make something move are...
a)
pushes
b)
pulls
c)
both pushes and pulls
82.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
83.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
84.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
85.
Are forces balanced or unbalanced when skateboarding down a ramp?
a)
Balanced
b)
Unbalanced
86.
Common unit of force.
a)
meter
b)
newton
c)
centimeter
d)
grams
87.
A force acting between surfaces in contact. Likes to resist motion.
a)
Force
b)
Friction
c)
Kinetic Energy
d)
Gravitational Energy
88.
Every object stays at rest unless an outside force acts on it.
a)
1st Law
b)
2nd Law
c)
3rd Law
89.
Which Law of Motion does the picture represent?
a)
1st Law
b)
2nd Law
c)
3rd Law
90.
A pencil, a notebook, and book bag are sitting on a table. Which law is this?
a)
1st Law
b)
2nd Law
c)
3rd Law
91.
Equal but opposite forces acting on an object results in-
a)
balanced forces
b)
unbalanced forces
92.
The force that one surface exerts on another when the two rub against each other
a)
Electrical
b)
Magnetic
c)
Gravitational
d)
Friction
93.
Force of attraction between any two objects.
a)
Gravitational Force
b)
Gravity
c)
Friction
d)
Electrical Force
94.
Gravitational force that occurs between Earth and other bodies
a)
Friction
b)
Gravity
c)
Motion
d)
Position
95.
Force that resists the motion of two surfaces that are touching each other.
a)
Unbalanced Force
b)
Contact Force
c)
Balanced Force
d)
Non-contact Force
96.
Two or more unequal forces acting on an object causing the object to accelerate.
a)
Unbalanced Force
b)
Contact Force
c)
Balanced Force
d)
Non-contact Force
97.
An object’s location.
a)
Motion
b)
Position
c)
Gravity
d)
Force
98.
Three types of forces are
a)
Newton's, friction, force
b)
gravity, contact, friction
c)
friction, inertia, Law 1
d)
mass, gravity, friction
99.
Will this test be easy for you?
a)
yes
b)
no
c)
I do not know
d)
I am really confused
100.
What do you predict your test score to be?
a)
A
b)
B
c)
C
d)
D
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