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WorksheetsFriction
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Force the opposes motion between 2 surfaces
a)
force
b)
Newton
c)
friction
d)
net force
2.
What are the 2 types of friction discussed in the book?
a)
Static and Dynamic Friction
b)
Kinetic and Static Friction
c)
Kinetic and Dynamic Friction
d)
Dynamic and Moving Friction
3.
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
4.
Which of the following is opposed by kinetic friction?
a)
A truck being pushed but not moving
b)
A box being pushed but not moving
c)
A box being pushed and sliding across the floor
d)
A wagon being pulled but not moving
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 can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
8.
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
9.
What type of friction is not moving?
a)
static
b)
dynamic
c)
kinetic
d)
rolling
10.
Which of the following is an example of rolling kinetic friction?
a)
box sliding across the floor
b)
bike rolling along the road
c)
car skidding to a stop
d)
soccer player making a slide tackle
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