Ch. 8 Vocab

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Across
  1. 1. A machine made of more than one simple machine.
  2. 4. The formula for mechanical advantage.
  3. 5. A comparison of the machine’s output to the input.
  4. 7. The formula for efficiency.
  5. 9. A simple machine consisting of two circular objects of different sizes.
  6. 11. When a force causes an object to move.
  7. 12. The work applied on a machine.
  8. 15. A double inclined plane that moves.
  9. 17. The unit used to measure power.
  10. 18. The Newton-meter.
  11. 19. A simple machine that consists of a pivoting bar.
  12. 20. A simple machine consisting of a grooved wheel that holds a rope or cable.
Down
  1. 2. Tells how many times the machine multiplies force.
  2. 3. The work done by the machine.
  3. 6. The rate at which work is done.
  4. 8. A fixed point used in levers.
  5. 10. An inclined plane wrapped in a spiral.
  6. 11. The formula for work.
  7. 13. A straight, slanted surface.
  8. 14. The formula for power.
  9. 16. A device that makes work easier.