WorksheetsFriction
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
2.
Which of these does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
3.
What direction does friction act relative to motion?
a)
in the same direction
b)
in the opposite direction
c)
need more information
d)
depends on the force
4.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
5.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
6.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
7.
When there is friction, the energy of an object's motion is converted into _______ energy
a)
heat
b)
kinetic
c)
stronger
d)
friction
8.
A puck slides along an icy surface. What makes it slow down?
a)
It runs out of push
b)
It rubs against the ice
c)
It runs out of electricity
9.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
10.
What are the 2 types of friction discussed in the video?
a)
Static and Dynamic Friction
b)
Kinetic and Static Friction
c)
Kinetic and Dynamic Friction
d)
Dynamic and Moving Friction
11.
What are 2 factors that determine the amount of friction between 2 objects?
a)
Roughness and the force between the 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
12.
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
13.
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
100 %
