Sofia's Puzzle

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Across
  1. 4. - The ratio of useful work output to total work input
  2. 5. -is the type of energy of motion
  3. 7. - the unit for work
  4. 8. - a device used to multiply forces or simply change the direction of forces
  5. 10. Whenever work is done, energy changes it is the work-energy _______.
  6. 12. -the unit for power
  7. 13. - the rate at which work is done
  8. 14. -The ability to do work
Down
  1. 1. -the type of Energy that is stored and ready to be used
  2. 2. - Relatively close to the load
  3. 3. -A bar rested on a support that lifts or moves loads
  4. 6. - The law of _____________ of energy states energy cannot be created or destroyed
  5. 9. - the ratio output force to the input force for a machine is mechanical ____________.
  6. 11. - Basically a king of lever that can be used to change the direction of the force
  7. 12. - The work is done
  8. 15. - An inclined plane