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Module K: Lesson 1- Intro to Forces

Total questions: 123

Worksheet time: 1hrs 28mins

Name
Class
Date
1.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
2.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

3.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
4.

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

a)

friction

b)

force

c)

magnet

d)

gravity

5.
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.
6.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

7.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
8.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
9.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
10.
A force is a push or pull measured in what units? 
a)
Meters per second, squared
b)
Kilograms 
c)
Newtons 
11.
When the vectors (arrows) point in the same direction what function do you use? 
a)
Dividing 
b)
Multiplying 
c)
Subtracting 
d)
Adding 
12.

When the vectors (arrows) point away what function do you use?

a)

Dividing

b)

Multiplying

c)

Subtracting

d)

Adding

13.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
14.

A force can____________.

a)

make an object move

b)

make a moving object stop moving

c)

slow an object down

d)

all of the above

15.

True or false: An object resting on the ground can move without force.

a)

True

b)

False

16.

When you push or pull something, you are creating_________________.

a)

weight

b)

a speed

c)

a force

d)

a surface

17.

Which of the following would it take the most force to move?

a)

a 3-pound ball

b)

a 5 pound ball

c)

a 15 pund ball

d)

a 25 pound ball

18.

Imagine you kick four balls with the same amount of force. Which one will go the farthest?

a)

a 3 pound ball

b)

a 5 pound ball

c)

a 15 pound ball

d)

a 25 pound ball

19.

Which of the following requires forces to move?

a)

a book

b)

a rock

c)

an elephant

d)

all of the above

20.

What does the force of gravity do to objects?

a)

It makes them float

b)

it makes them jump

c)

it pulls them to the center of earth

d)

it pushes them apart

21.

How does gravity on Earth compare to gravity on the moon?

a)

It is the same

b)

There is more gravity on Earth

c)

There is more gravity on the moon

22.

What does the word mass mean?

a)

The amount of matter in an object

b)

the speed an object falls

c)

how high a person can jump

d)

how far an object can be thrown

23.

Objects that have more mass also have more gravity.

a)

True

b)

False

24.

An example of the force of gravity is-

a)

a rocket flying through space

b)

a ball falling to the ground after it has been thrown

c)

a cloud moving across the sky

d)

the Sun rising

25.

The act of moving is called-

a)

inertia

b)

gravity

c)

work

d)

motion

26.

Henry rolled a car across the floor. He then applied a force to the car. The force was one of the four forces shown by the arrows. Which force will MOST likely increase the car's speed?

a)

Force A

b)

Force B

c)

Force C

d)

Force D

27.

What is motion?

a)

A change in position.

b)

A change in force.

28.

When your position changes, you're in ____________.

a)

motion

b)

force

29.
The tendency of an object to stay in motion or at rest is called 
a)
velocity
b)
acceleration
c)
speed
d)
inertia
30.
When two children of equal weight sit at opposite ends of a seesaw, they create
a)
gravity
b)
unbalanced forces
c)
motion
d)
balanced forces
31.
What is force?
a)
A force is a push or a pull upon an object resulting from the object's interaction with another object.
b)
The rate at which an object changes its velocity. 
c)
It is the amount of space between two points.
d)
It is Superman's power
32.
Which force is so low that it causes the man to slip and fall?
a)
Gravity
b)
Friction
c)
Air Resistance
d)
Motion
33.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
34.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
35.

What is the unit for FORCE?

a)

N (Newtons)

b)

lbs (pounds)

c)

g (grams)

d)

m/s (meters per second)

36.
Why is person B having a hard time moving down the hill?
a)
Person B has more friction than person A.
b)
Person B has the same friction as person A.
c)
Person B is out of shape.
d)
Person B has less friction has person A.
37.
To use force to cause something to move closer
a)
Push
b)
Pull
c)
Gravity
d)
Magnetism
38.
A force that slows or stops motion when objects rub together.
a)
Friction
b)
Push
c)
Pull
d)
Magnetism
39.
To use a force to cause something  to move away
a)
Pull
b)
Push
c)
Gravity
d)
Magnetism
40.

Which of these are examples of motion?

a)

Turning around

b)

Moving side to side

c)

Traveling

d)

All of them

41.

When you pick things up, you're _______.

a)

pushing

b)

pulling

42.

Which requires more force to move it?

a)

A heavy object, like a bowling ball.

b)

A light object, like a tennis ball

43.

Which force pulls objects towards the center of the earth?

a)

Gravity

b)

Friction

44.

An object moves in the _________ direction a force is applied.

a)

SAME

b)

OPPOSITE

45.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
46.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
47.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
48.

Calculate the net force.

a)

0 N

b)

5 N

c)

25 N

d)

15 N

49.
When mass increases then gravity
a)
Decreases
b)
Increases
c)
Stays the same
50.
The dog's force is?
a)
Applied
b)
Normal
c)
Gravitational
d)
Magnetic
51.
What type of force?
a)
Magnetic
b)
Gravitational
c)
Applied
d)
Normal
52.
What type of force is holding this balloon to the wall?
a)
Applied
b)
Gravitational
c)
Magnetic
d)
Electrical
53.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
54.
What type of force causes these balloons to move toward or away from each other?
a)
Gravitational
b)
Applied
c)
Magnetic
d)
Electrical
55.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
56.
All objects in the universe have a gravitational attraction to each other. 
a)
True
b)
False
57.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
58.
Which has more gravitational force acting upon it?
a)
a bus
b)
a train
c)
a car
d)
a person
59.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
60.
Simon wanted to know if the height of a ramp affected how fast the car went down it. What part of this experiment is Simon's INDEPENDENT (Test) Variable?
a)
height of the ramp
b)
the type of car
c)
the speed of the car
d)
there isn't one
61.
Simon wanted to know if the height of a ramp affected how fast the car went down it. What part of this experiment is Simon's Dependent (Outcome) Variable?
a)
there isn't one
b)
the height of the ramp
c)
the type of car
d)
the speed of the car
62.
After Simon conducted his experiment he analyzed his data and saw some speeds that were surprising. Why would it be a good idea for Simon to ask his friends to replicate (redo) his experiment? 
a)
They can test many more different variables that he did
b)
they can compare their results to Simon's to see if he was accurate
c)
So they can get better results
d)
They wouldn't do that, scientists do repeat other scientists experiments.
63.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
64.
Speed is
a)
the distance covered per unit of time
b)
the time it takes something to move a certain distance
c)
distance x time
d)
time x distance
65.
What two quantities must I know to calculate something's speed?
a)
time and weight
b)
position and distance
c)
distance and time
d)
distance and speed
66.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
67.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
68.

What is defined as a push or pull?

a)

force

b)

motion

c)

vector

d)

speed

69.
This type of force is when one object pushes or pulls on another object by touching it
a)
contact
b)
gravity
c)
friciton
70.
This type of force is an attraction between two objects
a)
contact
b)
gravity
c)
friction
71.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
72.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

73.
Balanced forces do not change the objects speed or 
a)
direction
b)
distance 
c)
time
d)
mass
74.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
75.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
76.
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. 
77.
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. 
78.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
79.
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.
80.
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
81.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
82.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
83.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
84.
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
85.
(T or F?) A balanced force is only an object that is not moving. 
a)
True 
b)
False
86.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
87.
Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
88.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
89.
Are forces balanced or unbalanced when skateboarding down a ramp?
a)
Balanced
b)
Unbalanced
90.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
91.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
92.
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.
93.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
94.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
95.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
96.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
97.
The force that pulls objects towards Earth.
a)
Gravity
b)
Friction
c)
Inertia
d)
Force
98.
Examples of forces that make something move are...
a)
pushes
b)
pulls
c)
both pushes and pulls
99.
When forces are _________ the object DOES NOT move.
a)
unbalanced
b)
balanced
c)
heavy
d)
light
100.
When forces are ___________ the object will move.
a)
unbalanced
b)
balanced
c)
light
d)
gravity
101.
What is the net force of an object that is not moving?
a)
0 N
b)
100 N
c)
Upward force
d)
10 N
102.
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 
103.
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.
104.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
105.
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
106.
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
107.
If the net force is 0 the object is... 
a)
in motion
b)
in the same place
108.
What famous scientist was the SI units of Force named after?
a)
Isaac Newton
b)
Galileo Galilei
c)
Albert Einstein
d)
Charles Darwin
109.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
110.
True or False: The larger the arrow the more the net force.
a)
True
b)
False
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.
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)
10 n, to the left
b)
20 N
c)
10 N, to the left
d)
10 N, to the right
113.

An Olympic swimmer is advancing to the wall at a rate of 80 m/s2. If the wall approaches the swimmer at a velocity of 67 m/s2, the swimmer will most likely..

a)

come to a complete stop

b)

slow down at impact

c)

speed up

114.

What correctly describes what Net Force is and how to calculate it?

a)

Net Force is the sum of forces acting on an object. use subtraction.

b)

Net force is the amount of mass an object has. Use multiplication

c)

Net force is the sum of the mass and acceleration. Use addition.

115.

Two girls are fighting over a shirt at the store. one girl pulls on the shirt at a force of 129n and the other girl pulls on the shirt at a rate of 77. While the second girl is pulling the shirt, she has her friend who is pulling her at a force of 100n. Who will most likely get the shirt?

a)

The first girl

b)

The second girl

c)

A random lady

d)

YALL BETTER CALM DOWN BEFORE THAT SHIRT TEARS!

116.

A parent is pushing a shopping cart at a rate on 12 m/s2. If they run into a baby pushing another cart at 14 m/s2. What will happen.

a)

The baby's cart will take over

b)

The parent's cart will move backwards

c)

The baby will take over the world

d)

The parent will cry

117.
If you dropped a bowling ball and a golf ball from the top of a building, which one would hit the ground first? (in a vacuum (not taking in account air resistances))
a)
bowling ball
b)
baseball
c)
neither
d)
both
118.
The type of force that opposes motion is called:
a)
magnetism
b)
friction
c)
gravity
d)
electric/static
119.
What is true about all forces?
a)
They are unbalanced.
b)
They involve more than one object.  
c)
They cause objects to move.
d)
They cancel each other out.  
120.
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
frictional forcefrictional force
b)
gravitational force
c)
electrical force
d)
magnetic force 
magnetic force
121.
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)
electrical force
b)
magnetic force
c)
balanced force
d)
frictional force
122.
Magnets can be a useful tool. Look closely at the picture below which shows a magnet and various metal objects.
What will happen as the magnet moves closer to the metal objects? 
a)
The magnet will attract the objects.
b)
The magnet will become heavier.
c)
The magnet will push the objects away
d)
Nothing will happen to the objects
123.
Look at the illustration below of a block sitting on a table-top. The magnified view illustrates a force that exists between the two objects.
Which type of force is demonstrated in the magnified view? 
a)
magnetic force
b)
electrical force
c)
gravitational force
d)
frictional force

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