Basics
How deep were the initial frames supposed to be?
What is 7.6 meters
How deep were the frames for the bridge that was built?
What is 2.4 meters
How many engineering designs were tried to resolve the problem?
What is 3
Why did the bridge fall? (more than 1 reason)
what is wind and faulty design
what is 1950
The original design had what types of beams to allow wind to pass through?
What is open beams
What type of frame was used?
What is a closed frame
Who built a 1:200 scale model?
Who is Farquharson
Why did they not build the original design of the bridge?
What is budget constraints
when was the newest bridge built?
what is 2007
What type of bridge was the Tacoma Narrows Bridge?
What is suspension bridge
What is oscillation
Models help us ______________ solutions to problems.
What is brainstorm
Why was the frame important?
what is because a thicker frame is stronger and more able to withstand wind
when engineers want to build something they make _________ to test their designs
what is prototypes
When did the bridge fall?
What is November 7, 1940
What was a constraint for the construction of this bridge?
What is the budget
When testing something you should only change one of these at a time
What is variable
Why were the beam type important?
What is open beams allowed for air flow, so the wind would not push the bridge too much
How fast did the wind blow the day the brigde fell?
what is 64 mph
Were there any casualties?
What is yes, a dog
What was the bridges nickname?
What is galloping gertie
Was there enough time to test the solution to the swaying bridge?
What is no
Why did engineers come up with models to fix the problem?
what is to test different solutions
Certain things need to be taken into account when building a bridge. Those things are also called_____
what is criterion