130_Mechanics Homework Mechanics of Materials Solution

# 130_Mechanics Homework Mechanics of Materials Solution - L...

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Unformatted text preview: L } L A mm Probpew‘ 2.8? can'lw'nueel 3 8x = £0.93l42)§qo-62.5‘x10) = 756.72x10 a 5‘9 wto‘l LXEx = (Llo m Y754.78xzo") = ‘o. 0303 in». 4a = (40. 6153:10qu = lMae MF’a. *5 6; = (0. [34793 )(Llo.czs'rto‘) , 5.98 VlOqu = .5. ‘l‘S M96. PROBLEM 2.90 ””290 The composite cube of Prob. 2.89 is constrained against defamation in the z direction and elongated in the x direction by 0.035 mm due to a tensile load in the x direction” Determine (a) the stresses 0;, 03,, and 6;, (b) the change in the dimension in the y direction. E, = 50 GR] 1.!” = 0.254 E5, = 15.2 CPa pry = 0.254 E, = 15.2 GPa ”z, a 0.428 SOLUTION C9v~\$+F¢IM+ Conciﬂ't‘ovl Lou! GOhoti‘l'l‘GH Foam eeluw'h‘ou (3) _. 74252. .. 0.25"!)(16 2) .. e; - __ 6' _ f“— - 0,0772% 6‘ 2 E} " So " conﬁrmed ...
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