____ is a twisting force inside a structure. ____ bridges are strong because they use triangles. Compression ____ materials together. Tension is force that ____ something. Dead Load is the ____ of the structure itself. ____ load is a load that can move or change. A push or a pull that can change the shape, speed, or direction of an object is called a ____. Earthquakes, avalanches, hurricanes and gravity are all examples of ____ forces. A force that causes parts of a material to slide past each other is called ____. Beam bridges are the ____ and use strong horizontal beams Forces that happen inside the structure itself as the materials try to resist bending, twisting, or stretching are known as ____ forces. ____ study forces carefully so they can choose the right materials and design shapes that keep a bridge strong. ____ bridges use curved shapes that spread out the force of the load Suspension ____ hang from cables that help carry loads across long distances The strongest shape to include in building structures is a ____

Forces Acting on Structures Practice

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