PS: Chapter 4.2

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Across
  1. 2. units used when measuring work
  2. 4. potential energy stored in a stretched spring or other elastic object
  3. 7. force needed to do work with a machine
  4. 11. amount of work done or energy provided in a specified period of time
  5. 13. type of energy stored by way of an objects position, chemical makeup or elasticity
  6. 14. device that makes work easier by changing the size and/or direction of a force
  7. 17. kinetic energy of electrons
  8. 18. resource that can be replaced over a short period of time
  9. 20. potential energy stored in the chemical bonds that holds atoms together as molecules
  10. 23. potential energy stored in an object that has been lifted to a height
  11. 25. machine that changes the direction of a force
  12. 26. type of energy contained in moving objects
  13. 27. weight at the end of a string used to demonstrate potential and kinetic energy transfer
  14. 28. measure of transferred energy when a force is applied that makes an object move
Down
  1. 1. resistance force multiplied by distance
  2. 3. measure of how much a machine increases force applied to it
  3. 4. measure of the amount of useful work done by the machine compared to the amount of work done to make the machine operate
  4. 5. energy that is the total potential and kinetic energy within an object
  5. 6. units used to measure force
  6. 8. effort force multiplied by distance
  7. 9. energy from the sun in the form of light and heat
  8. 10. unit of power
  9. 12. force needed to do work without a machine
  10. 15. ability to do work
  11. 16. total of the kinetic energy of the atoms that make up an object
  12. 19. force that resists motion
  13. 21. transfers force to another place or increases the size of the force
  14. 22. resource that cannot be replaced
  15. 24. reduces the size of a force that must be applied to move an object over a distance