Mechanical engineering

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Across
  1. 2. influence that results in motion, stress, etc. when applied
  2. 4. a hypothetical description of a complex entity or process
  3. 7. the product of a body’s mass and its velocity
  4. 8. a tall vertical cylindrical structure standing upright
  5. 12. a reaction of a substance with oxygen to give heat and light
  6. 15. a weakened state caused by long stress on a material
  7. 16. a change of position not entailing a change of location
  8. 17. a toothed wheel that engages another toothed mechanism
  9. 18. a collection of facts from which conclusions may be drawn
  10. 19. a device for overcoming resistance by applying force
  11. 23. preliminary drawing for later elaboration
  12. 24. a unit of power equal to 1 joule per second
Down
  1. 1. study of the mechanics of fluids
  2. 3. the act of moving forward
  3. 5. written programs operating on a computer system
  4. 6. a mechanism that directs the operation of a machine
  5. 7. the property of relative size or extent
  6. 9. mechanical or electrical devices collectively
  7. 10. the pivot about which a lever turns
  8. 11. consisting of separate interconnected parts
  9. 13. the branch of physics concerned with the motion of bodies
  10. 14. the act of representing something
  11. 20. an electrical device providing a path for current to flow
  12. 21. motor that converts energy into work or motion
  13. 22. device consisting of a piece of machinery