Physics

7th

grade

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Friction

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9 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    How does friction affect speed?
    more friction decreases speed
    more friction increases speed
    less friction decreases speed
    less friction doesn't affect speed
  • 2. Multiple Choice
    30 seconds
    1 pt
    Friction is a force that acts in an ___________ direction of movement.
    similar
    opposite
    parallel
    west
  • 3. Multiple Choice
    30 seconds
    1 pt
    A type of friction that occurs when air pushes against a moving object causing it to decelerate.
    surface area
    air resistance
    velocity
    gravity 
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