Energy and Collisions Puzzle

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Across
  1. 3. Energy stored in the position of condition of an object
  2. 5. A force acting between surfaces in contact that resist motion
  3. 7. usable power that can be transferred or converted to other forms
Down
  1. 1. When an object hits another
  2. 2. Energy of motion
  3. 4. any factor that can be changed
  4. 6. A unit of kinetic energy