Hallie and Jamar built a prototype bridge for a science competition. According to competition guidelines, their final design must hold at least 2 kilograms and span a gap of 0.5 meters. They built a bridge that is 0.75 meters long. They added weight to the bridge until it broke after adding 2.5 kilograms.
Which stage of the design process does the bridge collapse represent?
identifying a problem or need
designing a solution
implementing the solution
evaluating the solution
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