simple machines

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Across
  1. 2. refers to the ratio of the output force to the input force in a simple machine
  2. 3. simple machine that allows a object to be rolled on
  3. 6. the force that simple machines apply to objects
  4. 7. item used in a simple machine that has many teeth
  5. 8. amount of simple machines there are
  6. 9. simple machine that hoists and item by a rope
Down
  1. 1. simple machine that gives a force that rolls around
  2. 4. simple machine that lifts an item
  3. 5. simple machine that splits an item
  4. 8. simple machine that holds an item together