Find the value of maximum principal stress Maximum shear stress=80 MPa Minimum principal stress=30 MPa

P= 2 MPa K= 3 MPa X ñ = :7 + √6 B SL K Z 2 1/6+ /6 j+ √6 P P (MPa) a-)Find the principal normal stresses and the direction of the greatest stress for the stress state in the figure. b-)The outer unit normal vector of the ABC plane is given below; C K (MPa) y according to this Calculate the normal stress and shear stress on this surface.

20 A force of 250 kN was needed to punch the hole through the 8 mm thick steel plate, as shown below. rosesloyotoled jau milubase Ø24 Farhododecirl most soumis SALP30 TOUREN stav (A) 76.11 MPa (B) 97.66 MPa (C) 203.75 MPa (D) 399.06 MPa Hora 100 39 Calculate the ultimate shear stress of the steel plate. 60 bobini dignoue Mould 10.00 (0) gnitroo ni beau Pefore on OV1 es des anglet of quilida fins lidi.is (8) constalter goisons (2) in boe migjow tigilan (0)

Calculate the principle stresses and the maximum shear stress.