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: Which of these two bridges would be stronger?  ( 7679 )
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« : September 03, 2009, 06:33:42 PM »

Imagine two bridges that are exactly alike except that every dimension of one bridge is twice the size of the other. The larger bridge is exactly two times longer, its structural members are exactly two times thicker, and so on. Which of the two bridges would be stronger, or is their strength the same?
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