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TeachEngineering
Posted March 16, 2017
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Bridge Types: Tensile & Compressive Forces
Bridge Types: Tensile & Compressive Forces
https://www.teachengineering.org/activities/view/cub_brid_lesson01_activity1

PostedTuesday, August 29, 2017 at 10:08 PM

Updated02/26/2018

Students explore how tension and compression forces act on three different bridge types. Using sponges, cardboard and string, they create models of beam, arch and suspension bridges and apply forces to understand how they disperse or transfer these loads.

Students explore how tension and compression forces act on three different bridge types. Using sponges, cardboard and string, they create models of beam, arch and suspension bridges and apply forces to understand how they disperse or transfer these loads.

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  • Posted Monday, February 26, 2018 at 7:17 AM
    Bridges Tensile & Compressive forces
    We added this inquiry activity to our unit this year and I do think it helped understand both the different types of bridges, but more about how there needs to be a balance of tension and compression in order for bridges to work. The suspension bridge was hard with the strings, but I went around to each group to show the tension part with the longer string by me pulling on one end and a student pulling on the other end instead of the book abutments and it worked well. Thanks for the activity!
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