Bridges

3. a vertical support placed between abutments to hold up long spans.
4. twisting force that occurs when something is rotated around its axis
5. a bridge built using projecting structures anchored on only one end.
8. any force or weight applied to a structure.
10. a bridge where the deck hangs from cables draped over tall towers.
12. force causing materials to slide past one another.
14. a bridge supported directly by cables attached to towers in radial or fan-like patterns.
16. a simple bridge made of a horizontal beam supported at each end; carries load through bending.
17. the constant weight of the bridge structure itself.

1. a bridge supported by a rigid framework of connected triangles that distribute forces.
2. the end support of a bridge that transfers load into the ground.
6. force that pulls materials apart.
7. force that pushes materials together.
9. the surface of the bridge where vehicles or pedestrians travel.
11. the distance between two bridge supports.
13. loads that move or change over time, such as vehicles or wind.
15. a curved bridge that transfers weight outward and downward into its supports.