Simple Machines Crossword

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Across
  1. 1. class lever: IFO fulcrum is between input and output force
  2. 5. Bar used to pivot around fixed point
  3. 6. wedge: An inclined plane with one or 2 sloping sides
  4. 8. plane: Sloping surface such as a ramp that reduces the amount of force required to do work
  5. 11. pulleys: one end of the rope is fixed and the wheel is free to move
  6. 12. class lever: FOI output force is between fulcrum and input force
Down
  1. 2. Machine: Machine that does work with only one movement of the machine
  2. 3. and Axle: Consists of an axle attached to a center of a larger wheel so that the wheel and axle rotate together
  3. 4. class lever-:FIO input force is between fulcrum and outside force
  4. 6. screw: Inclined plane wrapped in a spiral around a cylindrical post
  5. 7. pulley: attached to something that doesn't move
  6. 9. machine: 2 or more simple machines that operate together
  7. 10. Grooved together with a rope chain or cable running along a groove