Simple Machines POE

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Across
  1. 3. a wedge with a very sharp point
  2. 6. pivot point of a lever
  3. 8. an incline plane wrapped around a cylinder
  4. 9. what type of simple machine would you use to open a can of paint
  5. 11. ratio of resistance force over effort force
  6. 13. type of machine that has two or more simple machines linked together
Down
  1. 1. class of lever where the fulcrum is in the middle
  2. 2. class of lever where the effort is in the middle like a fishing pole
  3. 4. AMA divided by IMA times 100%
  4. 5. a group of these working together is called a block and tackle
  5. 7. class of lever where the resistance is in the middle
  6. 10. another name for an incline plane
  7. 12. ratio of effort distance over resistance distance