Ch. 10 Simple Machines

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Across
  1. 2. two or more simple machines become this kind of machine
  2. 6. what a machine does to force but not energy
  3. 9. force involved in the change of magnitude or direction
  4. 11. ration of output work to input work
  5. 13. what is exerted on a machine
  6. 14. this is used to install screws
  7. 15. an example is a water bucket in a well
  8. 18. an axe that chops down trees acts as a?
Down
  1. 1. an example of a wheel and axle
  2. 3. force exerted by the machine
  3. 4. a ramp that makes it easier to transport heavy loads is?
  4. 5. advantage that involves effort force and resistance force
  5. 7. machines that use mechanical advantage to multiply force are?
  6. 8. the number of simple machines
  7. 10. determines a machine's IMA
  8. 12. force exerted by a user on a machine
  9. 16. allows humans to walk and run
  10. 17. an efficient machine's MA and IMA are?