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256_Mechanics Homework Mechanics of Materials Solution

# 256_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 3.122 Knowing that the magnitude of the torque T is 1800 lb°in., determine for each of the aluminum bars shown the maximum shearing stress and the angle of twist at end B. Use G = 3.9 X105 psi. PROBLEM 3.122 SOLUTION T=19c>o Am.) L=36in _d_~ b (a) 0.: Lama 13:03:“ Frown TOME 3.1 c =0. 247 J 1800 “(0-2c7')(1.s)(o.e) 10.40x105psi -: [0A0 ks" -3 a “———“" " ." MI: 9.5 cozesx:au(o.s)sciwoe) “325W 4 I c, r 0.203 3 c1 =O.Hoe W — S a. = . if; .4 (010311,,0300): - 8.65%!Dps 855' s M 1:2.2w/o'3md = 6.77° -- (a magmom o 1-‘(3 ‘1 kIO‘) l J QMLJ" g4; (—5 L._~J ‘ ...
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