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- 1. Multiple Choice
True or False: objects that are smooth have LESS friction than objects that are rough
TRUE
FALSE
- 2. Multiple Choice
Wheels on a skateboard most likely experiences-Rolling FrictionSliding FrictionFluid FrictionStatic Friction - 3. Multiple ChoiceSally experiences-Rolling FrictionSliding FrictionFluid FrictionStatic Friction
- 4. Multiple ChoiceWheels of a shopping cart experience-Rolling FrictionSliding FrictionFluid FrictionStatic Friction
- 5. Multiple ChoiceSwimming fish experience-Rolling FrictionSliding FrictionFluid FrictionStatic Friction
- 6. Multiple ChoiceFriction is a force that acts in an ___________ direction of movement.similaroppositeparallelwest
- 7. Multiple ChoiceThe rougher the surface, the faster an object will travel over the surface.TrueFalse
- 8. Multiple Choice
Friction is an example of _____________
contact force
non contact force
both of these
none of these
- 9. Multiple Choice
Frictional force depends on ____
surface area in contact
roughness of surface
both a and b
none of the above
- 10. Multiple Choice
Which of these materials do you predict would have the MOST amount of friction?
metal
tile
sand paper
denim
- 11. Multiple Choice
Rough surfaces have _________
greater friction
less friction
the same level of friction
- 12. Multiple Choice
When we rub our hands together _________.
frictional force works between them
energy is released
our hands become warm
all off the above
- 13. Multiple ChoiceWhich of the following is an example of friction that is helpful?Brakes used on a bikeTires from a car on the roadTread on the bottom of your shoesAll are examples that are helpful
- 14. Multiple ChoiceWhich of the following is an example of friction that is harmful?Pencil marking on paperEngine parts wearing outsand placed on ice in the winterUsing an eraser to erase marks
- 15. Multiple Choice
There are _________ types of friction.
2
1
4
5
- 16. Multiple Choice
Sliding friction is when two _____________ surfaces slide over one another.
liquid
oil
solid
- Answer choicesTagsAnswer choicesTags