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In gure 1). = 10.5 ksi Part A Determine the principal stresses Specify the orientation of the element Express your answers, s

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10 Sk9 Sign Convenhion CompretsiDh ve norma 20 ks 20kSi Tension strers = t ve IDten Shear stress Anhiclock wisd ve 10.5ksi en- 90t10.5 2 a0-10.5 +(10) 2 = -4.75 t 1a 39.56a5 t100 - 4.15 t 13.2463 13.486 ksi. 2 29.9863 Ksi tame Txy orientation Now CAC

20 90 = tam 30.5 33.asu, a13.8s44 20 16.6972, 106,6 3 42 ACw) Acw 180- clock wice 163.3488 6r) 73.3798 Ecwe Tin plame Max. 2Orientahon c Maximum shear stres Os) 0ay-4y)(ACA) tar (2 0)- (rCh)) Cao.) (-20-10.5 tan 20 30.5 - 20 30.5 Les tan 20 aes Ja3.

1a3.254 303. 9543 20s G1.6871 (or) 151. 6811 Lw Cch) (180-0s(Acw) -1 118. 3188 (or) as.31980 both CoTrect amswers ane Bine Os

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