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Wednesday, April 26, 2017

Trussful Bridge

This term in Urban Planning, we learned about the process of building a city; I learned more about why things are placed where they are. We also went in depth about Newton's Laws of Motion and how they connect to bridges. Newton's third law states that for every action there is an equal or opposite reaction, this means that a bridge's downward force is reacting with the normal force of the earth and the bridge's support. My favorite FE was when we walked from Michigan to Hubbard St. and looked at the different types of bridges around the city. The purpose of this AP was to create a truss bridge given 60 popsicles that would uphold at least 10 pounds. Surprisingly, our bridge held 10 pounds only weighing 60.4 grams! I didn't expect to hold that much because the base wasn't as supportive.


                               

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