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Question:

Three beams are 10 feet long each and all of the same size. One is made of wood, another of steel, and the third of concrete. If identical loads are applied to these three beams, which of the following will happen?

A The steel beam will deflect less than the wood beam.
explanation

The steel beam will deflect less than the wood beam. The concrete beam will deflect less that the wood beam—concrete is stiffer than wood.