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WorksheetsfRICTION
Total questions: 20
Worksheet time: 21mins
Name
Class
Date
1.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
2.
The amount of friction depends on the weight of the objects pressing together.
a)
True
b)
False
3.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
4.
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
5.
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
6.
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
7.
How would the absence of friction affect a marble traveling on a long, straight path?
a)
The marble’s speed would decrease.
b)
The marble’s speed would increase.
c)
The marble would stop immediately.
d)
The marble would remain at constant speed.
8.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
9.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
10.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
11.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
12.
Wheels of a shopping cart experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
13.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
14.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
15.
What are 2 factors that determine the amount of friction between 2 objects?
a)
Force and roughness between surfaces
b)
hills and valleys and how smooth or rough the surface is
c)
Amount of force and amount of surface the comes in contact
d)
The force and the weight exerted on the surfaces
16.
What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
17.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
18.
What is the force of friction between a block of ice that weighs 950 N and the ground if μ = .12?
a)
65 N
b)
226 N
c)
175 N
d)
114 N
19.
What are the units on the coefficient of friction?
a)
none
b)
Newtons
c)
meters
d)
kilograms
20.
What are the units on the force due to friction?
a)
none
b)
Newtons
c)
meters
d)
kilograms
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