The earliest known arch bridges were built by the Greeks, and include the Arkadiko Bridge. When you wring out a cloth, you are applying torsion to the cloth. Wood has the ability to resist a lot of tension. What are the 4 types of forces that act upon a bridge? Note that, during the animation, the structural members change color to indicate how they are loaded–blue for tension and red for compression. The contest provides students with a realistic introduction to engineering through an engaging, hands-on design experience. The West Point Bridge Design Contest is a nationwide Internet-based competition intended to promote math, science, and technology education in U.S. 4 What is the purpose of the West Point Bridge contest?.
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