Physics Work and Energy

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Across
  1. 2. a simple machine consisting of a rod fixed to the center of a wheel
  2. 3. output work divided by input work
  3. 8. output force multiplied by the distance over which it acts
  4. 11. the metric unit for work and energy; equal to 1 newton meter (N∙m)
  5. 12. the metric unit of power; equivalent to joules per second
  6. 15. the mechanical advantage of an idealized machine that loses no energy to friction
  7. 17. a simple machine consisting of two back-to-back inclined planes
  8. 19. the rate at which work is done
  9. 21. force multiplied by distance
  10. 22. the number of times the input force is multiplied
  11. 23. effort force multiplied by the distance over which it is applied
  12. 24. energy of motion
Down
  1. 1. energy acquired by doing work against gravity
  2. 4. a machine that combines two or more simple machines
  3. 5. stored energy
  4. 6. a machine that makes work easier by changing the amount or direction of force required to move an object
  5. 7. a simple machine consisting of a spiral inclined plane
  6. 9. kinetic or potential energy
  7. 10. a simple machine consisting of a rope that passes over one or more grooved wheels
  8. 13. a simple machine consisting of a rigid arm that pivots on a fulcrum
  9. 14. states that energy is neither created nor destroyed
  10. 16. the ability to do work
  11. 18. a simple machine consisting of a slope
  12. 20. states that the net work done on a system equals the change in kinetic energy