Simple Machines

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Across
  1. 2. Several meshed gears are called this (2 words)
  2. 3. A toothed wheel used to alter direction, torque, and angular velocity in a powertrain
  3. 5. These simple machines have very high IMA and very low efficiency
  4. 7. A pair of pliers is this class of lever
  5. 9. Angular velocity is measured in this unit (abbv)
  6. 10. A pair of tweezers is this class of lever
  7. 13. The resistance distance of a screw
  8. 17. This is how well a machine works in the real world (3 words)
  9. 19. How fast a gear is turning is called this (2 words)
  10. 20. Actual Mechanical Advantage is the ratio of the resistance and effort ___
  11. 21. This measure compares the ideal and actual mechanical advantage of a machine
  12. 22. This simple machine includes things like doorknobs, saw blades, and car tires (3 words)
  13. 24. This is how well a machine works theoretically, under perfect conditions (3 words)
Down
  1. 1. The head of an axe is this type of simple machine
  2. 4. This refers to the force being overcome or moved by a simple machine
  3. 6. This refers to the force being put into a simple machine
  4. 8. A ramp (2 words)
  5. 11. Simple machines exchange effort force for this
  6. 12. This is another word for interlocking or mated gears
  7. 14. Gears that share an axle are called locked or ___
  8. 15. Two or more machines working together are called ___ machines
  9. 16. The effort distance of a screw
  10. 18. A wheelbarrow is this class of lever
  11. 23. A prybar is an example of this type of simple machine