Unformatted text preview: 8.57 Three fomareapplicdtothemaclﬁne componentABDas shown. Knowingthat
the cross section omitaining point His a 20 X 40min 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 2.5kNr force is inm'cascd
to [0 kN. SOLUTION
0.5 kN Equinen'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 'ISNm 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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