Across
- 1. pull
- 7. middle mass of a object
- 8. flat piece near stern of a boat
- 10. force of a elastic object
- 12. diffrent ways to use energy
Down
- 2. where force of areodynamics is applied
- 3. main body of a aircraft
- 4. extent of wings
- 5. stored energy
- 6. raise in a higher position
- 9. to push something
- 11. force on earth