Simple Machines Vocabulary Review Crossword Puzzle

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Across
  1. 2. a change in the direction of effort
  2. 4. combines a fixed and movable pulley
  3. 5. can be fixed or movable
  4. 7. lever in the round
  5. 8. any of six devices that provide a mechanical advantage
  6. 10. we use this to hold our classroom door open
  7. 11. has no mechanical advantage
  8. 12. provides a decrease in effort to lift the load
Down
  1. 1. used to measure effort
  2. 3. can be used to move a wheelchair up a ramp
  3. 6. has a fulcrum and three different classes
  4. 9. attached to the load