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Help solving structural engineering problem?
A titanium (roe=.16lb/in^3, sigma=120,000psi) plate designed to resist bending (M), weighs 1 pound. How much will the plate weigh if the titanium is replaced with aluminum (roe=.10 lb/in^3, sigma=50,000psi)?
This was a 1 point problem from my midterm, which I missed the review to and I can't figure out how to do it now. Am I missing something simple?
Thanks
2 Answers
- gatorbaitLv 79 years agoFavorite Answer
It will weigh 1 lb * (0.10/0.16 ) = 0.625 lb = 1lb times the ratio of the plates' densities
- 5 years ago
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