Friction
Authored by Traci Johnson
Science
7th - 12th Grade
Used 5+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which type of friction occurs when objects are not moving?
static
sliding
fluid
rolling
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How does friction affect speed?
more friction decreases speed
more friction increases speed
less friction decreases speed
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is an example of friction that is helpful?
Brakes used on a bike
Tires from a car on the road
Tread on the bottom of your shoes
All are examples that are helpful
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How can friction be reduced?
reduce the force acting between the 2 surfaces
reduce the roughness of the 2 surfaces coming in contact
use wax, grease or oil
all of the above are ways of reducing friction
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are 2 factors that determine the amount of friction between 2 objects?
Force and roughness between surfaces
hills and valleys and how smooth or rough the surface is
Amount of force and amount of surface the comes in contact
The force and the weight exerted on the surfaces
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