BUILDING BIG Skyscraper Basics
Skyscraper Basics
Tuesdays in October on PBS (check local listings) _  
Skyscraper: Forces


The skyscraper pushes down (compression) into the ground
The skyscraper pushes down into the ground.
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But when the wind blows, the columns on the windy side stretch apart (tension) and the columns on the other side squeeze together(compression)
But when the wind blows, the columns on the windy side stretch apart, and the columns on the other side squeeze together.

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_There's even more to explore at the BUILDING BIG web site, check it out at www.pbs.org/buildingbig.



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