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- P12.44 Figure P12.44 shows Mohrs circle for a point in a phys- ical object that is subjected to plane stress. (a) Determin
112.44 a) From graph: Tx 80 MPa, Txy = 70MPa, Ty -20MPa 20MPa 70 MPa .80mpa b) principal stresses lie on the T axis: r = 86 M
b) principal stresses lie on the Taxis: = 86 MPa Your Op Tp2 Tes o Tror Try, man 10 - 20p МС (-80,70) Physical Thas tan (20p
Tp2 »o Izeel Txy, max = tan (20p) = 20 → 20p МС (-80,70) Tmax Physical r Op = the principal plane is 27.23° cow from the orig
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Do rateCorrect : a ) (No change required). 2ompa. B Jompa. A sompa ( sompa Lompa. Ta= sompa A, B are planes on which - 20 mpa. stres2 (6) Imax. B(-2070) T 010) Te. Elisma 30 55 #180,-70) max=85 Max. principal stress T Min. principal stress. L = ney - Max: Idan 20% = 70 20p us 41-18 80 Op do-6. from plane A in Component (5). 2.0p, = 180 t2.pl Opa act Op. 2 Oe, A 90 + 20-6 = 118s 4 :. gs

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