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3 Written questions

3 Multiple choice questions

  1. the force that opposes motion between two surfaces that are touching
  2. the masses of the two objects and the distance between them (more mass means more gravity, more distance means less gravity)
  3. mass x speed

3 True/False questions

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

          

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

          

  3. zero (momentum)mass x speed