Work, Power, and Simple Machines

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Across
  1. 4. an inclined plane that is wrapped in a spiral
  2. 5. occurs when a force causes an object to move in the direction of the force
  3. 6. are made of two or more simple machines
  4. 8. the work done by the machine
  5. 10. a device that helps make work easier by changing the size or direction of a force
  6. 11. a double-inclined plane that moves
  7. 12. a simple machine consisting of a bar that pivots at a fixed point, called a fulcrum
  8. 13. Force times Distance
  9. 14. A machine’s _______________ tells you how many times the machine multiplies force
  10. 16. do NOT increase the amount of work done
  11. 19. the work you do on a machine
  12. 20. a simple machine consisting of two circular objects of different sizes
Down
  1. 1. Output force divided by input force
  2. 2. When a fixed pulley and a movable pulley are used together, the pulley system is called a
  3. 3. Output force divided by input force times 100
  4. 7. Work divided by time
  5. 9. a comparison of a machine’s work output with thework input
  6. 15. a simple machine that is a straight slanted surface – a ramp
  7. 17. the rate at which work is done
  8. 18. a simple machine consisting of a grooved wheel that holds a rope or cable