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3 Written questions

3 Multiple choice questions

  1. the masses of the two objects and the distance between them (more mass means more gravity, more distance means less gravity)
  2. whenever a force is exerted, there is another force that is equal in size and opposite in direction
  3. an object at rest has ______ momentum

3 True/False questions

  1. frictionobjects in motion tend to stay in the same motion; objects at rest tend to stay at rest

          

  2. Weight on planetsthe force that opposes motion between two surfaces that are touching

          

  3. freefallwhen the only force acting on an object is gravity; all objects near Earth fall at the SAME SPEED (regardless of how heavy/massive they are!!!)