wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Friction

Total questions: 125

Worksheet time: 2hrs 57mins

Name
Class
Date
1.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
2.
Which of the following is an example of friction that is harmful?
a)
Pencil marking on paper
b)
Engine parts wearing out
c)
sand placed on ice in the winter
d)
Using an eraser to erase marks
3.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
4.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
5.
Wheels of a shopping cart experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
6.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
7.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
8.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
9.

True or False: objects that are smooth have LESS friction than objects that are rough

a)

TRUE

b)

FALSE

10.

Friction is an example of _____________

a)

contact force

b)

non contact force

c)

both of these

d)

none of these

11.

Frictional force depends on ____

a)

surface area in contact

b)

roughness of surface

c)

both a and b

d)

none of the above

12.

Which of these materials do you predict would have the MOST amount of friction?

a)

metal

b)

tile

c)

sand paper

d)

denim

13.

Rough surfaces have _________

a)

greater friction

b)

less friction

c)

the same level of friction

14.

When we rub our hands together _________.

a)

frictional force works between them

b)

energy is released

c)

our hands become warm

d)

all off the above

15.

There are _________ types of friction.

a)

2

b)

1

c)

4

d)

5

16.

Sliding friction is when two _____________ surfaces slide over one another.

a)

liquid

b)

oil

c)

solid

17.

Friction is a

a)

(a) non-contact force

b)

(b) contact force

c)

(c) magnetic force

d)

(d) electrostatic force

18.

Which of the following produces least friction?

a)

(a) Sliding friction

b)

(b) Rolling friction

c)

(c) Composite friction

d)

(d) Static friction

19.

Friction always

a)

(a) opposes the motion

b)

(b) helps the motion

c)

(c) both (a) and (b)

d)

(d) none of these

20.

Friction can be reduced by using

a)

(a) oil

b)

(b) grease

c)

(c) powder

d)

(d) all of these

21.

The shape of an aeroplane is like a

a)

(a) dog

b)

(b) bird

c)

(c) car

d)

(d) all of these

22.

Friction due to fluids is called

a)

(a) force

b)

(b) pressure

c)

(c) friction

d)

(d) drag

23.

Which of the following is not a smooth surface?

a)

(a) Surface of wet soap

b)

(b) Surface of tyres

c)

(c) Glazed tiles

d)

(d) Surface of mirror

24.

A toy car released with the same initial speed will travel farthest on

a)

(a) muddy surface

b)

(b) polished marble surface

c)

(c) cemented surface

d)

(d) brick surface

25.

If we apply oil on door hinges, the friction will

a)

(a) increase

b)

(b) decrease

c)

(c) disappear altogether

d)

(d) will remain unchanged

26.

Force of friction depends on

a)

(a) roughness of surface

b)

(b) smoothness of surface

c)

(c) inclination of surface

d)

(d) all of these

27.

Fluids are

a)

(a) liquids

b)

(b) gases

c)

(c) both (a) and (b)

d)

(d) none of these

28.

Which of the following is responsible for wearing out of bicycle tyres?

a)

a) Muscular force

b)

(b) Magnetic force

c)

(c) Frictional force

d)

(d) Electrostatic force

29.

It is difficult to walk on an oily floor because

a)

(a) Floor gets spoiled

b)

(b) There is more resistance

c)

(c) Force of friction is high

d)

(d) Force of friction is very less

30.

Sliding friction is _________ than / to rolling friction

a)

(a) smaller

b)

(b) greater

c)

(c) equal

d)

(d) None of the above

31.

Four children were asked to arrange forces due to rolling, static and sliding frictions in an increasing order. Their arrangements are given below. Choose the correct arrangement.

a)

(a) Rolling, Static, Sliding

b)

(b) Static, Rolling, Sliding

c)

(c) Rolling, sliding, static

d)

(d) Sliding, Static, Rolling

32.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
33.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
34.
A type of friction that occurs when air pushes against a moving object causing it to decelerate.
a)
surface area
b)
air resistance
c)
velocity
d)
gravity 
35.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
36.
The amount of friction depends on the weight of the objects pressing together.
a)
True
b)
False
37.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
38.
Which of the following is an example of friction that is harmful?
a)
Pencil marking on paper
b)
Engine parts wearing out
c)
sand placed on ice in the winter
d)
Using an eraser to erase marks
39.
Which would NOT be a way of reducing friction?
a)
making the surfaces smoother
b)
using lubricants such as waxes, oils, or grease
c)
changing from sliding friction to rolling friction using ball bearings
d)
Using kitty litter on snow and ice to help your car gain traction
40.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
41.
 What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
42.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
d)
less friction doesn't affect speed
43.

Which of the following is not used to reduce friction

a)

wheels

b)

sandpaper

c)

bumpy rocks

d)

bacon grease

44.

The weight of an object varies with the:

a)

pull of gravity

b)

dimensions of the object

c)

volume of the object

45.

Which of the following is not considered a “fluid

a)

air

b)

jean britches

c)

water

d)

flap-jacks

46.

Which of the following best describes two surfaces that are in contact with each other but are not in motion?

a)

kinetic friction

b)

static friction

47.

Which of the following represents a glider going through the air?

a)

fluid friction

b)

static friction

c)

emotional friction

48.

A boat going through the surface of a lake is an example of which type of friction?

a)

rolling

b)

emotional

c)

sliding

d)

fluid

49.

A red 2008 Dodge Ram 1500 driving north bound on I-35 en route home from Kearney Junior High in Kearney Missouri on a warm Wednesday in March in the year 2019 is an example of what type of friction?

a)

emotional

b)

fluid

c)

rolling

d)

sliding

50.

What is static friction?

a)

the friction between two objects that are not moving

b)

friction between a rolling object and the surface that it is rolling on

c)

friction is friction where an object rubs against another surface

d)

friction of something going through any type of liquid or air

51.

What is rolling friction?

a)

friction between two surfaces that aren't moving relatively to each other

b)

friction between a rolling object and the surface that it is rolling on

c)

friction where an object rubs against another surface

d)

friction of something going through any type of liquid or air

52.

What is fluid friction?

a)

friction is friction between two surfaces that aren't moving relatively to each other

b)

friction between a rolling object and the surface that it is rolling on

c)

friction where an object slides rubs against another surface

d)

friction of something going through any type of liquid or air

53.

What is sliding friction?

a)

friction between two surfaces that aren't moving relatively to each other

b)

friction between a rolling object and the surface that it is rolling on

c)

friction where an object rubs against another surface

d)

friction of something going through any type of liquid or air

54.

How could you reduce fluid friction?

a)

add bacon grease to the object

b)

streamline the object

c)

add sandpaper to the object

d)

make the object heavier

55.

How could you reduce sliding friction?

a)

add wheels to the object

b)

add bacon grease to the object

c)

add glue to the object

d)

add motor oil to the object

e)

add bearings to the object

56.

The amount of sliding friction depends on which things?

a)

acceleration

b)

type of surface

c)

weight of the moving object

d)

the rotundness of the man on the pogo stick

57.

Friction is an example of _____________

a)

contact force

b)

non contact force

c)

both of these

d)

none of these

58.

The direction of force of friction is always _____ to the direction of motion

a)

same

b)

opposite

c)

unchanged

d)

none of these

59.

Without friction, an object in motion would never stop.

a)

true

b)

false

60.

Frictional force depends on ____

a)

surface area in contact

b)

roughness of surface

c)

both a and b

d)

none of the above

61.

Which of these materials do you predict would have the MOST amount of friction?

a)

metal

b)

tile

c)

sand paper

d)

denim

62.

The rouugher the surface, the faster an object will travel over the surface

a)

true

b)

false

63.

How would the absence of friction affect a marble travelling on a long, straight path?

a)

the marble's speed would decrease

b)

the marble would remain at a constant speed

c)

the marble's speed would increase

d)

the marble would stop immediately

64.

The amount of friction depends on the weight of the objects pressing together

a)

false

b)

true

65.

Rough surfaces have _________

a)

greater friction

b)

less friction

c)

the same level of friction

66.

When we rub our hands together _________.

a)

frictional force works between them

b)

energy is released

c)

our hands become warm

d)

all off the above

67.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
68.
When most objects with smooth surfaces rub, there is less friction.
a)
True
b)
False
69.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
70.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
71.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
72.
Movers slide a box down the ramp of a truck.
What helps slow the box as it slides to the bottom of the ramp?
a)
friction
b)
gravity
c)
inertia
d)
magnetism
73.
On which surface will a toy car travel the furthest?
a)
Carpet
b)
Polished Wood
c)
Ice
74.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
75.
Which of these could increase the friction between objects?
a)
Thick air molecules
b)
Water
c)
A rough surface
d)
A smooth surface
76.
Greater friction causes...
a)
An increase in speed
b)
A decrease in speed
c)
Both of these
d)
Neither increase or decrease
77.

The motion of an object will change when an unbalanced force is applied to it

a)

true

b)

false

78.

This type of force resist motion between two surfaces that are in contact with each other

a)

contact

b)

gravity

c)

friction

79.

Which of these statements is FALSE?

a)

Friction can slow things down

b)

Friction is never useful

c)

Friction can stop things from moving

80.

The diagram represents a person using a spring scale to pull a wooden block up a ramp.The plastic straws were placed under the wooden block to

a)

decrease the mass of the block

b)

decrease the amount of friction

c)

increase the surface area of the ramp

d)

increase the gravitational attraction of the block

81.

Identify the force between the wheels of the cart and the ground surface that opposes forward motion of the cart

a)

Momentum

b)

Friction

c)

Magnetic

d)

Force

82.

Which force will decrease if the surface of the

ramp is made smoother?

a)

gravity

b)

magnetism

c)

friction

d)

electricity

83.

The wheels and gears of a machine are greased

in order to decrease

a)

potential energy

b)

efficiency

c)

output

d)

friction

84.

Can Friction be an opposing force?

a)

Yes, it slows objects down until they stop

b)

No, it can't stop objects

c)

Sometimes if the object has no mass

85.

The diagram shows a stationary cart on a friction-less surface. Two unequal opposing forces are about to be applied. If the unequal opposing forces are applied to the cart at the same time, what will occur?

a)

The cart will move to the left.

b)

The cart will move to the right.

c)

The cart will alternate between moving left

and right.

d)

The cart will remain stationary.

86.

The amount of friction depends on the weight of the objects

a)

True

b)

False

87.

Which of these explains how friction affects the speed of a moving object?

a)

Friction pushes objects to higher speeds

b)

Friction only affects speed in outer space

c)

Friction can slow down objects until they stop

88.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
89.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
90.
Which of the following is an example of friction that is harmful?
a)
Pencil marking on paper
b)
Engine parts wearing out
c)
sand placed on ice in the winter
d)
Using an eraser to erase marks
91.
Which would NOT be a way of reducing friction?
a)
making the surfaces smoother
b)
using lubricants such as waxes, oils, or grease
c)
changing from sliding friction to rolling friction using ball bearings
d)
Using kitty litter on snow and ice to help your car gain traction
92.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
93.
 What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
94.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
d)
less friction doesn't affect speed
95.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
96.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
97.
How do you lower the friction force?
a)
By a smooth surface
b)
By a rough surface
c)
By not pushing hard
d)
By pushing down
98.
What is the bowling alley lane coated with to reduce friction?
a)
oil
b)
wood
c)
paint
d)
sand
99.
What part of a car increases friction?
a)
color of paint
b)
tires
c)
amount of gas
d)
skill of driver
100.

The direction of force of friction is always _____ to the direction of motion

a)

same

b)

opposite

c)

unchanged

d)

none of these

101.

Without friction, an object in motion would never stop.

a)

true

b)

false

102.

Which of these materials do you predict would have the MOST amount of friction?

a)

metal

b)

tile

c)

sand paper

d)

denim

103.

The rouugher the surface, the faster an object will travel over the surface

a)

true

b)

false

104.

How would the absence of friction affect a marble travelling on a long, straight path?

a)

the marble's speed would decrease

b)

the marble would remain at a constant speed

c)

the marble's speed would increase

d)

the marble would stop immediately

105.

When we rub our hands together _________.

a)

frictional force works between them

b)

energy is released

c)

our hands become warm

d)

all off the above

106.

The cars are resting on the truck without moving. What type of friction explains that?

a)

static friction

b)

rolling friction

c)

sliding friction

d)

fluid friction

107.

Amanda quickly becomes the one who organizes her group and the project because she

a)

is very neat and orderly

b)

doesn't care about other people

c)

is the smartest student in the class

d)

likes to take action rather than just talk

108.

Amanda describes the way Ellen eats her sandwich as disgustingly neat. Base on the connotation of this phrase, Amanda is most likely

a)

grossed out by Ellen's neatness

b)

disappointed with Ellen's behavior

c)

frustrated that she isn't that neat herself

d)

ashamed to have Ellen in the group with her

109.

Amanda argues with Ellen. Amanda's mother thinks she spends too much time by herself. Amanda is more interested in science than in making her room neat and comfortable. What is the best conclusion to draw from these details?

a)

Amanda has no brothers and sisters

b)

Amanda is a very organized person

c)

Amanda doesn't make friends easily

d)

Amanda only likes people who are messy

110.

The group members spend their first four meetings arguing because

a)

they don't like each other

b)

they all have very different interests

c)

nobody really wants to do the project

d)

they are under a lot of pressure at school

111.

"What;s that supposed to be?" I asked Benji when he lugged his project into my room. Which word is closest in meaning to lugged as used in the sentence above?

a)

floated

b)

hauled

c)

held

d)

rolled

112.

Ellen stashed her bread under Amanda's clothing because she

a)

didn't care what other people thought of her

b)

was angry at Amanda and wanted to hurt her

c)

didn't like the food that Amanda's mother made

d)

wanted to fit in but was embarrassed by her allergy

113.

"Thanks," I said as we tackled the top layer. What does the word tackled mean as used in the sentence?

a)

attacked

b)

tidied up

c)

harnessed

d)

threw down

114.

Ellen, Benji and George stashed their food in Amanda's room because Amanda

a)

made them very upset with her arguing

b)

showed she didn't care about how her room looked

c)

told them to do it so they could have a project to work on

d)

always got upset at her mother for telling her to clean her room

115.

Benji was interested in being able to touch the ceiling near Amanda's bookcase because he

a)

was very athletic

b)

thought the project was a big joke

c)

was able to put his turkey on top of the bookcase

d)

was pretending not to be interested in their project

116.

What generalization can the reader make based on the passage?

a)

Success in science always results from working together

b)

People need to work by themselves in order to do their best

c)

Even people who are different can find a way to work together

d)

Having a neat, organized work space is key to solving problems

117.

The cars are resting on the truck without moving. What type of friction explains that?

a)

static friction

b)

rolling friction

c)

sliding friction

d)

fluid friction

118.

Which type of friction will she experience as she gets her feet on the ground?

(a)  

119.

How can a sailboat increase its fluid friction?

a)

Make the sail bigger

b)

Make the sail smaller

c)

There is no fluid friction

120.

Two boxes need to be moved. Box A is 10kg and Box B is 3kg. Which box will require more force to move?

a)

Box A

b)

Box B

c)

They are equal

121.

Friction is one of many forces. Which type of force is it?

a)

Contact force

b)

Non-contact force

122.

Select all the examples of sliding friction

a)

washing your hands

b)

sitting in a chair

c)

skiing down a mountain

d)

swimming in the pool

e)

writing in a notebook

123.

Name the fluid that helps the surfer control her board in the wave.

a)

Water

b)

Air

c)

Sand

124.

If there was no friction on Earth, you would...

a)

slide until you hit another object

b)

be able to climb better

c)

run faster

d)

never move

125.

Friction always acts in the _______ direction of the force applied.

a)

same

b)

opposite