____ is the arrangement of interrelated parts to make a whole. They occur in ____ in beehives, beaver dams, and bird nests. There are also ____ made structures including bridges, dams, and buildings. Structures are made to withstand ____ of four different types. There's ____, which is ____, like a rubber band stretching. There's ____ force, which is a push ____ to increase ____ on a structure. There's ____, which is the natural force that acts upon all objects on earth, and ____, which is compression gone wrong. The first bridges were ____ that fell across streams to allow ____ to cross without getting wet. The distance or length of a bridge is called the ____. ____ is a force that a structure must overcome to stay standing. There are two types: a ____ load that is moving and a ____ or dead load that is a ____. ____ of forces: bridges are built to distribute all weight loads across the ____ structure ____ in carrying the load.

Tech - Bridges Review

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