Simple Machines Crossword Puzzle

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Across
  1. 2. strength and energy used to do something
  2. 3. the support or point of rest, on which a lever turns in moving a body
  3. 7. a machine containing two or more simple machines working together
  4. 9. a variable that doesn’t be effected by another compound
  5. 11. another name for output force
  6. 12. the horizontal line on the coordinate plane
  7. 14. a statement of fact deduced from observation to the effect that a natural or scientific phenomenon always occurs if certain conditions are present
  8. 15. any mechanical basics to apply force
Down
  1. 1. the force required by a machine to accomplish work
  2. 4. mental or physical effort to get or achieve a goal
  3. 5. the ratio of force produced by the machine to force applied to the machine
  4. 6. an educated guess
  5. 8. a variable that is effected by another compound
  6. 10. a suggestion or explanation to explain something usually a principal
  7. 13. the vertical line on the coordinate plane