971_Mechanics Homework Mechanics of Materials Solution

971_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 8.57 Three fomareapplicdtothemaclfine componentABDas shown. Knowingthat the cross section omitaining point His a 20 X 40-min mumgle, determinethcprindpal skessw and the maximum shearing Sm at point H. PROBLEM 8.58 8.58 Solve Prob. 8.57, assuming that the magnitude of the 2.5-kNr force is inm'cascd to [0 kN. SOLUTION 0.5 kN Equine-n'i' porce- Coupfie 55543“ 4:" Sevi'n‘om Cah’fm‘nr‘na POI‘W‘i H. F=-3w, [—350ka [312—10er Mv:o, Md : (0.150300009) = [$0 N‘M 0.5 [W [5'00 ”'7" M1 =' - COJSO)C$oo) :- -—75' Num H H A = (520)0-{07 t 300 mm: 3 W 'ISN-m i' 300 '10" in" '0 k” 2‘ fiflomofi = 2e.cc7uo‘ mm’ = 26. ‘67 ”K (0" m' M _ —.Sooo _ -75 loxlo'!) _ . £3 _ 41L . 800x104 LJ—-—2G_muo.q - 2?.375MPc. : 3 2, 1X1! .,. €3.29... 2 .335 MR), 890 x to“ 12- I875" HPa [@VWSJS'V 22.3:5 MPa 34.6 MPa "“ —IO.I8MP¢L "‘ (2)(1a.7s) __ 23.375 23.5" ) 95:16.5“ [.5'385 1‘ 9 T 22.4 “Pa. ...
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