simple machines

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Across
  1. 6. output force is between fulcrum and input force
  2. 7. inclined plane wrapped in a spiral around a cylindrical post
  3. 9. system of pulleys consisting of fixed and moveable pulley
  4. 10. bar that is free ti pivot around fixed point
  5. 11. grooved wheel with a rope,chain or cable running along grooves
  6. 12. an inclined plane with one or two sloping sides
Down
  1. 1. input force is between fulcrum and output force
  2. 2. fulcrum is between the input and output force
  3. 3. attachted to something that doesnt move
  4. 4. sloping surface, such as a ramp that reduced the amount of force required to do work
  5. 5. consists of an axle attached to center of a larger wheel so that the wheel and axle rotate together
  6. 8. one end of the rope is fixed and the wheel is free to move