Physics

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Newton's 3rd law

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40 questions

  • 1. Multiple Choice
    10 seconds
    1 pt
    When a heavy football player and a light one run into each other, who exerts more force?
    The heavy one
    The light one
    They are equal
    there is no such thing as force
  • 2. Multiple Choice
    1 minute
    1 pt
    When you hold an apple above your head, how many force pairs act on the apple?
    1
    2
    3
    4
  • 3. Multiple Choice
    1 minute
    1 pt
    Suppose two carts, one twice as massive as the other, fly apart when the compressed spring that joins them is released.  How fast does the heavier cart roll compared with the lighter cart?
    twice as fast
    the same
    half as fast
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