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3 Written questions

3 Multiple choice questions

  1. mass x speed
  2. N (Newton)
  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. frictionthe force that opposes motion between two surfaces that are touching


  2. zero (momentum)an object at rest has ______ momentum


  3. Weight on planetsPlanet has more mass = planet has more gravity = things weigh more