Vocabulary Puzzle

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Across
  1. 2. A force that occurs when one object rubs against another object
  2. 3. Pulley: A pulley that is attached to a structure
  3. 4. Advantage (MA): Factor by which a machine multiplies the effort force
  4. 6. Force applied to a simple machine
  5. 9. SI unit of force
  6. 12. A force that pulls objects toward each other
  7. 13. A unit of work equal to one newton-meter
  8. 16. The percentage of the input work that is converted to output work
  9. 17. A change in the position of an object as compared to objects around it
  10. 18. Pulley: Two or more pulleys working together
  11. 19. Machine: A machine made of more than one simple machine
  12. 20. A simple machine made up of a stiff bar that moves freely around a fixed point
Down
  1. 1. energy: Stored energy that results from the position or shape of an object
  2. 2. The fixed point around which a lever pivots
  3. 3. Friction due to a fluid, such as air resistance
  4. 5. A common unit of power, equal to about 746 watts
  5. 7. The ability to do work or cause change
  6. 8. energy: The energy an object has due to its motion
  7. 10. Force created or applied by a simple machine
  8. 11. A push or pull
  9. 14. plane: A simple machine made up of a slanted surface
  10. 15. pulley: A pulley that moves with the load or resistance