simple machines

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Across
  1. 3. two simple machines
  2. 6. A simple machine that is an inclined plane wrapped around a central cylinder to form a spiral
  3. 8. A flat surface set at an angle or an incline with no moving parts that is able to lift objects by pushing or pulling the load.
  4. 9. a simple machine that consists of a bar that pivots at a fixed point called a fulcrum
Down
  1. 1. fulcrum in the middle
  2. 2. Input force is between output force and fulcrum
  3. 4. A simple machine that consists of a rope that fits into a groove in a wheel
  4. 5. fulcrum at the end
  5. 7. a simple machine that is an inclined plane that moves