Alternative Energy

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Across
  1. 3. push
  2. 4. fixed wing section
  3. 8. airfoil doesn't vary with lift
  4. 10. deform an elastic object
  5. 12. one tip to other tip.
  6. 13. main body of an aircraft
  7. 14. energy possessed by a body
Down
  1. 1. Clean energy
  2. 2. energy a massive object has
  3. 5. force that opposes weight
  4. 6. draws objects toward its center.
  5. 7. steering for boat or ship
  6. 9. distribution of mass in space
  7. 11. pull