Forces Crossword Puzzle

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Across
  1. 3. When forces are going in the same direction, ____ them to get the net force
  2. 8. When forces are acting in opposite directions, ____ them to get the net force
  3. 9. Force due to air pushing back on motion
  4. 10. Resistance between two objects sliding past each other
  5. 11. Force of a fluid pushing up on an object
  6. 15. Resists motion of a rolling object
  7. 16. This force is always perpendicular to an object
  8. 17. The sum of all forces acting on an object
  9. 20. The person the unit N is named after
Down
  1. 1. Occurs when a solid object moves through a liquid or gas
  2. 2. Units of force
  3. 4. Whenever there is a net force acting on an object, the forces are ____
  4. 5. Acts on stationary objects
  5. 6. The force of a stretched or compressed spring
  6. 7. Force that results in mass being pulled down
  7. 12. The net force always moves in the direction of the ____ force
  8. 13. Slows or prevents the movement of objects
  9. 14. When the net force is zero, the forces are ____
  10. 18. Force due to the pull of a rope, string, cable, etc.
  11. 19. A push or a pull