Keegans Science Fair Project
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6:27
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The trusses are balsa glued together.
mattnet 4 years ago
To the right of the video, you can see the string is being pulled by a brass hook which is attached to a fish weighing scale. As we pull on the string using the spring scale we read off the force as it increases until it snaps.
mattnet 4 years ago
Ohh, and how did you make the bridges?? =]
librarymaniac1o 4 years ago
That's awesome! I'm kind of slow, how do you know how many pounds of force it took to break the bridge?
librarymaniac1o 4 years ago