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3 Written questions

3 Multiple choice questions

  1. an object at rest has ______ momentum
  2. Planet has more mass = planet has more gravity = things weigh more
  3. the masses of the two objects and the distance between them (more mass means more gravity, more distance means less gravity)

3 True/False questions

  1. inertiamass x speed


  2. freefallthe force that opposes motion between two surfaces that are touching


  3. equal and opposite forceswhenever a force is exerted, there is another force that is equal in size and opposite in direction


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