Q4 Weeks 1-4

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Across
  1. 4. the speed at which the wave travel
  2. 7. The point where a wave is highest
  3. 10. a measure of how much of the work put into a machine is changed into useful output work by the machine
  4. 11. The point where a wave is lowest
  5. 12. the unit of force
  6. 15. when waves spread out in circles or spheres
  7. 16. the time required to complete one cycle
  8. 17. any device that makes work easier by changing a force
  9. 19. when the coils of a longitudinal wave are far apart
  10. 21. a disturbance in electric and magnetic fields
  11. 22. the force that is applied to the machine
  12. 24. the ability to do work
  13. 26. when the coils of a longitudinal wave are close together
  14. 28. the rate at which work is done
  15. 30. the energy an object has because of its motion
Down
  1. 1. the energy an object has because of its position, condition, or chemical composition
  2. 2. the distance from any point on a wave to an identical point on the next wave
  3. 3. The ratio of the output force to the effort (input) force
  4. 5. when the primary and secondary waves are combined
  5. 6. a material added to the machine to reduce the friction
  6. 8. a push or a pull exerted on an object.
  7. 9. the use of force to move an object some distance.
  8. 11. the type of mechanical waves where particles move up and down
  9. 13. disturbances that transfer energy from one place to another
  10. 14. chemical energy of food
  11. 15. the unit of power
  12. 18. a measure of how far the particles in the medium move away from their normal rest position
  13. 20. the unit of work and energy
  14. 23. the material through which a wave can travel
  15. 25. the unit of frequency
  16. 27. the force produced by the machine
  17. 29. how many cycles occur in an amount of time, usually 1 s