Unit 4 Work and Simple Machines

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Across
  1. 1. the ratio of the output work to the input work
  2. 6. (two words) does work in only one movement
  3. 9. the transfer of energy that occurs when a force is applied over a distance
  4. 10. the rate at which work is done
  5. 11. a simple machine made of a bar that pivots, or rotates about a fixed point
Down
  1. 2. the point about which a lever pivots
  2. 3. a sloped surface that moves
  3. 4. (two words) the ratio of a machine's output force produced to the input force applied
  4. 5. an inclined plane wrapped around a cylinder
  5. 7. a simple machine that is a grooved wheel with a rope or a cable wrapped around it
  6. 8. (two words)a flat sloped surface