UWWI Presentation - PowerPoint PPT Presentation
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UWWI Presentation
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Wind Earthquake Snow and Ice * * * * * *In 1940, the Tacoma Narrows Bridge began undulating wildly and eventually self destructed in a 40 mph wind, ... – PowerPoint PPT presentation
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Title: UWWI Presentation
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A Mini Lesson Bridges Forces
How does a bridge work?
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A Mini Lesson Bridges Forces
- How does a bridge work?
- Lets see what happens when a car drives across!
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A Mini Lesson Bridges Forces
- How does a bridge work?
- Lets see what happens when a car drives across!
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A Mini Lesson Bridges Forces
- How does a bridge work?
- Lets see what happens when a car drives across!
- What about a more complicated bridge?
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A Mini Lesson Bridges Forces
Loads and Forces
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Activity Build a Suspension Bridge
- Task
- Build a suspension bridge
- Index cards, string, tape
- Test your design-load the bridge to failure
- 20 minutes
- How much weight will yours be able to hold?!
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Suspension Bridges
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Galloping Gertie
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Activity Recap
- What makes a good bridge?
- What are some OTHER loads that could impact a
bridge??
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