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699_Mechanics Homework Mechanics of Materials Solution

# 699_Mechanics Homework Mechanics of Materials Solution - L...

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Unformatted text preview: L... . . L . 6.41 and 6.42 The extruded beam shown has a uniform wall thlckness o! 8 - 1n. Knowing that the vertical shear in the beam is 2 kips, determine the shearing stress at each of the ﬁve points indicated. SOLUTION , 3 u I -_- 312- 05070250?- 7};(2.:25)(2.2:>) = 1.2332 m“ t = 0-125 I'n a1. a.” 560+a'ons. V "- 2 HP: VO _. - ': -—--5' :' O Q“ ’ o 71 It Qb = (o.125)(l.zs)(i§5) r 0.077;; ans _ 313; __. (agaoncc) :_ l 2‘ k5; _‘ TB ' It (I.2332)(o.:25) ' Qc = Q; + (I.062\$)(o.lzs)(|.la7s) = 0.2553? ;n' - V6)“ _ (2)(o.25\$372 = . 4 1". TE“ ' (1.1382104157 3.30 ks. Q; = 2064 (o.lzs\‘(l.19753 = 0.52926 _ VQJ _ (23(052'32612 __ .‘ 4 7’1" ' f? ' (l.2382)o.a251 6‘“ ks Q: = Q, +(o.|25'\(l.:2513:~§_?53 =- 0.60339 T _ yﬂq : Rummage) 2 1% us; 4 ‘ ' It (LZSSIKOJJY) ...
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