Work & Energy Vocab Crossword

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Across
  1. 3. a region or set of regions around which a boundary can be defined
  2. 5. machine that is a combination of two or more simple machines
  3. 6. energy that is stored due to the interactions between objects
  4. 7. the ability to cause change, measured in joules
  5. 9. ratio of the output work done by the machine to the input work done on the machine, expressed as a percentage
  6. 11. machine that does work with only one movement; examples include lever, pulley, wheel & axle, inclined plane, screw & wedge.
  7. 12. rate at which energy is converted; measured in watts
  8. 13. sum of the potential energy and kinetic energy of the objects in a system
  9. 14. energy that is due to the gravitational force between objects
  10. 15. energy a moving object has because of its motion; determined by the mass and speed of the object
  11. 16. transfer of energy when a force is applied over a distance; measured in joules
Down
  1. 1. ratio of the output force exerted by a machine to the input force applied to the machine
  2. 2. states that energy cannot be created or destroyed
  3. 4. energy that is stored by compressing or stretching an object
  4. 8. energy that is due to chemical bonds
  5. 10. device that makes doing work easier by increasing the force applied to an object, changing the direction of an applied force, or increasing the distance over which a force can be applied