Simple Machines

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Across
  1. 2. Machine that does work with only one movement of the machine
  2. 3. Bar that is free to pivot fix point called fulcrum
  3. 6. sloping surface such as a ramp that reduces the amount of force required to do work
  4. 7. system of pulleys consisting of fixed and movable poley
  5. 8. Consist of an axel attached to center of a larger wheel and axel rotate together
  6. 9. An incline plane wrapped around a spiral
  7. 10. The measure of how much work put into a machine is changed into useful output work by the machine
Down
  1. 1. Attached to something that isn't moveing
  2. 4. An inclined plane with one or two sloping sides
  3. 5. One end of the rope is fixed