The mast of a sailboat has a cross-sectional area of 10.65 cm2 and is constructed of an
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The mast of a sailboat has a cross-sectional area of 10.65 cm2 and is constructed of an experimental aluminum alloy. Tests were performed to define the relationship between stress and strain. The test results are
![Strain, cm/cm 0.0032 0.0045 0.0055 0.0016 0.0085 0.0005 5170 6900 1240 Stress, N/cm2 4970 5500 3590](https://dsd5zvtm8ll6.cloudfront.net/si.question.images/image/images4/45-M-N-A-C-F(103).png)
The stress caused by wind can be computed as F/Ac; where F = force in the mast and Ac mast’s cross-sectional area. This value can then be substituted into Hooke’s law to determine the mast’s deflection. ∆L = strain x L, where L = the mast’s length. If the wind force is 25,000 N, use the data to estimate the deflection of a 9-m mast.
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Related Book For
Numerical Methods For Engineers
ISBN: 9780071244299
5th Edition
Authors: Steven C. Chapra, Raymond P. Canale
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