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Across
  1. 2. Energy stored in the chemical bonds of molecules.
  2. 3. A basic mechanical device that does work with a single motion.
  3. 4. Energy due to motion.
  4. 6. Energy cannot be created or destroyed, only transformed.
  5. 7. The rate at which work is done or energy is transferred.
  6. 8. Stored energy due to an object's position.
  7. 10. The factor by which a machine multiplies the force applied to it.
  8. 11. The capacity to do work.
  9. 12. A group of interacting components.
  10. 13. A machine made of two or more simple machines.
  11. 15. The ratio of useful work output to total work input.
Down
  1. 1. Energy stored in stretched or compressed objects.
  2. 5. Energy stored due to an object's height above the Earth.
  3. 9. The sum of kinetic and potential energy in a system.
  4. 14. A device that makes work easier.