Simple Machines

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Across
  1. 2. The point on which a lever rests or is supported and on which it pivots
  2. 5. Educated guess
  3. 8. advantage The ratio of the force produced by a machine to the force applied to it
  4. 9. Horizontal axis of a system of coordinates
  5. 10. variable The variable that the experimenter changes to test their dependent variable
  6. 13. machine A machine consisting of two or more simple machines operating together
  7. 14. Using a force to move an object a distance
Down
  1. 1. force The force required by a machine in order to accomplish work
  2. 3. force The force which an effort force must overcome in order to do work on an object
  3. 4. machine The basic mechanical devices for applying a force
  4. 6. Vertical axis of a system of coordinates
  5. 7. Strength or energy as an attribute of physical action or movement
  6. 11. variable What you measure in the experiment and what is affected during the experiment
  7. 12. Ideas intended to explain something with facts backed up