Cole Science Chapter 8

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Across
  1. 2. the work done by the input force acting through the input distance
  2. 4. An inclined plane wrapped around a cylinder
  3. 5. a simple machine that is an inclined plane that moves
  4. 7. force x distance
  5. 9. The fixed point around which a lever pivots
  6. 13. A rigid bar that is free to move around a fixed point
  7. 14. a device that makes work easier
  8. 15. a comparison of a machine's work output with the work input
  9. 16. A measure of power equal to one joule of work per second.
  10. 19. the output force multiplied by the output distance
  11. 20. Two different sized circular objects that are attached together and turn as one.
  12. 21. the rate at which work is done
Down
  1. 1. a machine made of more than one simple machine
  2. 3. MA = output force/input force
  3. 6. A unit of work equal to one newton-meter
  4. 8. work output/work input x 100
  5. 10. A simple machine that consists of a rope that fits into a groove in a wheel
  6. 11. the number of times a machine increases a force exerted on it
  7. 12. a flat, sloped surface
  8. 17. Force exerted on an object that causes it to move
  9. 18. work/time