WorksheetsFriction
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
2.
The amount of friction depends on the weight of the objects pressing together.
a)
True
b)
False
3.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
4.
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
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.
When two surfaces rub, the irregularities of one surface get caught on those of the other surface?
a)
True
b)
False
7.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
8.
Which of these best describes friction?
a)
A rubbing force.
b)
Something that is slippery.
c)
Gravity.
d)
Movement across a smooth surface.
9.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
10.
Which of these materials do you predict would have the MOST amount of friction
a)
Metal
b)
Tile
c)
Sand Paper
d)
Denim
11.
Normal force is
a)
Always opposite the weight
b)
Always parallel and down the incline
c)
Always perpendicular to the surface
d)
It depends on the direction of motion
100 %
