Peter's Ch. 4 crossword puzzle

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Across
  1. 2. force vector sum of all forces on an object.
  2. 3. gravitational force experienced by an object.
  3. 6. field a vector quantity that relates the mass of an object to the gravitational force it experiences at a given location.
  4. 7. weight support force acting on an object.
  5. 8. a push or a pull.
  6. 9. the condition in which the net force on an object is zero.
  7. 10. objects of interest that interact with each other and the external world.
  8. 12. Third Law states that all actions come in pairs.
Down
  1. 1. tendency of an object to resist changes in velocity.
  2. 3. means that there are no contact forces acting to support the object, and the object’s apparent weight is zero.
  3. 4. diagram a physical model that represents the forces acting on a system.
  4. 5. force the force exerted by a fluid on an object opposing motion through the fluid.
  5. 11. velocity the constant velocity that is reached when the drag force equals the force of gravity.