Physical Science Unit 3

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Across
  1. 6. The cartoonist who drew pictures of complex machines that do simple tasks.
  2. 7. A combination of fixed and movable pulleys
  3. 9. SI unit of work
  4. 12. A simple machine that consists of a rope that fits into a groove in a wheel
  5. 13. a flat, sloped surface
  6. 14. A simple machine with a center rod or axle joined to a wheel
  7. 15. An inclined plane wrapped around a cylinder
  8. 16. attached to something that doesn't move
  9. 17. The percentage of the input work that is converted to output work
Down
  1. 1. resistance in the middle (calf raise)
  2. 2. A device that is thick at one end and tapers to a thin edge at the other end.
  3. 3. force x distance
  4. 4. a machine made of more than one simple machine
  5. 5. effort in the middle
  6. 8. Advantage (MA) Ratio of the output force exerted by a machine to the input force applied to the machine.
  7. 10. A machine that does work with only one movement
  8. 11. fulcrum in the middle
  9. 12. the rate at which work is done