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Forces

Total questions: 90

Worksheet time: 2hrs 35mins

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 model shows a toy car and the direction it is traveling. Arrow T represents the direction of a force applied to the moving car. After the force (Arrow T) acts on the car, the car MOST likely will NOT-

a)

change direction

b)

go faster

c)

slow down

d)

stop

26.

Fernando was working on an experiment for science class. He dropped 4 steel balls of different weights from the same height. Her noticed that the balls all reached the ground at the same time. Fernando is probably doing an experiment on the-

a)

force of wind

b)

effect of gravity

c)

states of matter

d)

magnetic force

27.

The act of moving is called-

a)

inertia

b)

gravity

c)

work

d)

motion

28.

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

29.
The tendency of an object to stay in motion or at rest is called 
a)
velocity
b)
acceleration
c)
speed
d)
inertia
30.
Work involves all of these except 
a)
force
b)
movement
c)
distance
d)
time
31.
If bricks are loaded into an empty wheelbarrow, which of these is true?
a)
less force is needed to move the wheelbarrow
b)
the amount of friction increases
c)
more force is needed to move the wheelbarrow
d)
the wheelbarrow's speed increases
32.
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
33.
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
34.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
35.
What do the arrows tell you?
a)
strength
b)
direction and strength
c)
direction
d)
speed
36.
Which force is so low that it causes the man to slip and fall?
a)
Gravity
b)
Friction
c)
Air Resistance
d)
Motion
37.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
38.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
39.

A force is a _____

a)

push

b)

pull

c)

Both push and pull

d)

Object

40.

When we throw anything in air it always falls down because of _____

a)

Friction

b)

Gravity

c)

Solid

d)

motion

41.

If negative charge is developed on two objects they will__

a)

attract each other

b)

repel each other

42.

Which force acts backwards and prevent us form slipping on a wet floor?

a)

Gravitational force

b)

Magnetic force

c)

Frictional force

d)

Electrostatic force

43.

In what condition the magnetic poles attract each other?

a)

South-South

b)

North-North

c)

North-South

d)

All of the above

44.

When you rub your hand heat energy is generated because of _____

a)

Magnetism

b)

Muscular force

c)

Electrostatic force

d)

Friction

45.

What force ultimately slows the roller coaster to a stop?

a)

Applied

b)

Normal

c)

Friction

d)

Gravitational

46.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
47.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
48.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
49.
What is the best definition for mass?
a)
how much space an object takes up
b)
how much matter an object contains
50.

What has more mass?

a)

an F1 car

b)

a ball

c)

an aircraft

d)

a feather

51.
Mass is measured in
a)
grams
b)
grams and kilograms 
c)
kilograms 
d)
centimetres 
52.

What do you use to measure the mass of an object?

a)
b)
c)
d)
53.

The astronaut floats in international space station. It proves that...

a)

His weight is less in space

b)

His mass is less in space

c)

His weight does not change

d)

His mass is more in space

54.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
55.

If an object mass =30 kg on the Earth, what would be it's weight on Earth?

a)

30 N

b)

300 kg

c)

3000N

d)

300 N

56.

If the mass of an object is 1000 kg on Earth, what is it's mass on the moon?

a)

less than 1000 kg

b)

more than 1000 kg

c)

1000kg

57.

weight is measured in...

a)

pounds (lb)

b)

grams (g)

c)

newtons (N)

d)

kilograms (kg)

58.

What is the name of this tool?

a)

spring balance / force meter

b)

scale

c)

measuring cylinder

d)

thermometer

59.

What is weight?

a)

the pulling force of gravity on an object

b)

the time it takes to get on a ride

c)

the amount of matter in an object

d)

the size of an object

60.

If the weight of a body on the Earth's surface is 600 N, what would be it's weight in the space?

a)

600 N

b)

less than 600 N

c)

more than 600 N

61.

What do you use to measure the weight of an object?

a)
b)
c)
d)
62.

My weight on the Earth's surface is 500 N. What is my mass?

a)

500 kg

b)

500 g

c)

50 kg

d)

50 g

63.

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.

64.

Weight is constant.

a)

True

b)

False

65.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
66.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
67.
The scientific unit of weight is
a)
Kg
b)
N
c)
pounds
d)
Kgm/s
68.
The scientific unit for mass is
a)
Kg
b)
N
c)
pounds
d)
ounces
69.
If an object has more mass, then it will
a)
weigh more.
b)
weigh less.
c)
weigh the same as an object with less mass.
d)
always have more volume than an object with less mass.
70.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
71.

You have a ball with a weight of 76N. What is the mass of the ball?

a)

76N

b)

76kg

c)

7.6kg

d)

7.6N

72.

What would be the weight of a 10 kg object on earth?

a)

1 N

b)

10 N

c)

0.1 N

d)

100 N

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 has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
76.
What is mass?
a)
How much MATTER makes up an object.
b)
How much GRAVITY is pulling an object.
77.
What is weight?
a)
The measure of how HEAVY something is.
b)
The measure of how much GRAVITY is pulling on an object.
c)
BOTH answers are correct.
d)
None of them.
78.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
friction
79.
If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?
a)
18 g
b)
4 g
c)
0 g 
d)
32 g 
80.
A child has a mass of 30 Kg on Earth. If the gravity on Moon is one sixth that of the Earth what is the mass of the child on Moon? 
a)
30 Kg
b)
180 Kg
c)
5 Kg
d)
0 Kg
81.
The scientific unit of weight is
a)
Kg
b)
N
c)
pounds
d)
Kgm/s
82.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
83.
The scientific unit for mass is
a)
Kg
b)
N
c)
pounds
d)
ounces
84.
If an object mass =30 Kg on the Earth, what would be it's weight on Earth?
a)
30 N
b)
300 kg
c)
3000N
d)
300 N
85.
If the mass of an object is 1000 kg on Earth, what is it's mass on the moon?
a)
10kg
b)
100kg
c)
1000kg
d)
10,000kg
86.
The force of gravity on Jupiter is a little more than 2 times the gravitational force on Earth. If an object has a mass of 50 kg and a weight of 490 N on Earth, what would be the object's approximate mass and weight on Jupiter?
a)
50 kg and 490 N
b)
100 kg and 490 N
c)
50 kg and 980 N
d)
100 kg and 980 N
87.

What is missing?

a)

D

b)

N

c)

W

d)

L

88.

What is missing

a)

H

b)

m

c)

D

d)

n

89.

What is missing

a)

g

b)

D

c)

L

d)

n

90.
How many grams are in one kilogram?
a)
1000
b)
10000
c)
1
d)
100

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