Simple Machines

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Across
  1. 5. consists of a spindle attached to center of a larger wheel so that the _____ ___ _____ rotate together
  2. 7. output force is between fulcrum and input force
  3. 8. inclined plane wrapped in a spiral around a cylindrical post
  4. 9. sloping surface, such as a ramp, that reduces the amount of force required to do work
  5. 10. fulcrum is between the input force and output force
  6. 12. attached to something that doesn't move
  7. 13. bar that is free to pivot around fixed point
Down
  1. 1. input force is between fulcrum and output force
  2. 2. an inclined plane with one or two sloping sides
  3. 3. two or more simple machines that ooperate together
  4. 4. one end of the rope is fixed and the wheel is free to move
  5. 6. system of pulleys consisting of fixed and movable pulleys
  6. 11. grooved wheel with a rope, chain, or cable running along a groove