Forces and Structures

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Across
  1. 3. a force that acts from within the structure
  2. 7. a force in a twisting motion
  3. 8. a force that pushes in the opposite direction
  4. 9. an example of a natural structure
  5. 11. a push or pull motion
  6. 12. a force that squeezes something together
  7. 13. a type of bridge that consists of a horizontal beam
  8. 14. an example of an external force
Down
  1. 1. a force that acts on a structure from outside
  2. 2. a bridge that uses cables
  3. 4. a bridge made of semicircular shape supports
  4. 5. something with a definite size, shape, and purpose
  5. 6. a bridge made of triangles
  6. 10. a stretching force