470_Mechanics Homework Mechanics of Materials Solution

# 470_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: *4.210 For a curved bar of rectangular cross section subjected to a bending couple PROBLEM 4‘21" M, show that the radial stress at the neutral surface is SOLUTION and compute the value of 0,. for the curved bar of EXamples 4.10 and 4.11. A'l' VGA Eat-P a” sienna V‘ (Hint: consider the ﬂee-body diagram of the portion of the beam located above the neutral surface.) g .. M (7‘ — R I 3" Aer = £1. _ M9 A6 Aer Fov porifou aloow. +53 heuimf axis) ”Hut. resvf'l-am'l' Bree is H.— 5 6QJA=5R6.E.M V 7: 3.4.5. R —I Rub adv: ﬁe Stack “We SP. Y‘ . MLR F. R, «,— Iffm—nhfggbﬂn—E A6 (ha-M) QeSvﬂ‘lan‘l- 0‘? Ga FY“ T S 6? COS :8 AA 5: b;— cosﬂ deﬁ For eguffi ‘pra'um 26;Lssrn§—2%ﬂ(r—Q_yh;\= c, €r=ﬁ*(l"%“jm‘%i “" ...
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