Forces Acting on Structures

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Across
  1. 4. The strongest shape, often found in bridge designs
  2. 5. Bridge type that includes cables and can span great distances
  3. 10. Torsion is an example of what type of force?
  4. 11. Type of bridge that includes a semi-circle shape
  5. 12. The simplest type of bridge
Down
  1. 1. An external forces that acts on every object and structure on Earth, at all times
  2. 2. A force that can change when acting on a structure
  3. 3. Internal force that happens when you squish a marshmallow
  4. 6. An internal force that pushes in opposite directions
  5. 7. Rain is an example of what type of force
  6. 8. A type of load that exerts a constant force
  7. 9. An external force created by nature that can exert an external force on trees