Chapter 3: Work and Simple Machines

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Across
  1. 3. transfer of energy to an object by a force that makes an object move in the direction of the force
  2. 4. made up of an axle, attached to the center of a wheel such that both rotate together
  3. 6. to move from one place to another
  4. 8. rate at which work is done
  5. 10. ratio of output force to input force
  6. 11. grooved wheel with a rope or cable wrapped around it
  7. 12. inclined plane wrapped around a cylinder
Down
  1. 1. a machine that does work using only one movement
  2. 2. flat, sloped surface
  3. 3. sloped surface that moves
  4. 5. point about which a lever pivots, or rotates
  5. 7. ratio of output work to input work
  6. 9. made up of a bar that pivots about a fixed point