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- 1. Multiple ChoiceFriction is a force that acts in an ___________ direction of movement.similaroppositeparallelwest
- 2. Multiple ChoiceThe amount of friction depends on the weight of the objects pressing together.TrueFalse
- 3. Multiple Choice
How can friction be reduced?reduce the force acting between the 2 surfacesreduce the roughness of the 2 surfaces coming in contactuse wax, grease or oilall of the above are ways of reducing friction - 4. Multiple ChoiceRougher surfaces have ...greater frictionless frictionthe same level of friction
- 5. Multiple ChoiceHow does friction affect speed?more friction decreases speedmore friction increases speedless friction decreases speedless friction doesn't affect speed
- 6. Multiple ChoiceWhen most objects with smooth surfaces rub, there is less friction.TrueFalse
- 7. Multiple ChoiceForce the opposes motion between 2 surfacesforceNewtonfrictionnet force
- 8. Multiple Choice
Smooth surfaces such as ice, usually produce less friction.
true
false
- 9. Multiple Choice
People use rough or sticky things to decrease friction.
true
false
- 10. Multiple Choice
Which of these best describes friction?
A rubbing force.
Something that is slippery.
Gravity.
Movement across a smooth surface.
- 11. Multiple ChoiceWhat does friction produce?lightsoundheatgravity
- 12. Multiple Choice
Which of these materials do you predict would have the MOST amount of friction
Metal
Tile
Sand Paper
Denim
- 13. Multiple ChoiceHow does friction affect speed?more friction decreases speedmore friction increases speedless friction decreases speed
- 14. Multiple Choice
What is motion?
A change in position.
A change in force.
- 15. Multiple Choice
When you push or pull something, you are creating_________________.
weight
a speed
a force
a surface
- Answer choicesTagsAnswer choicesTags