Question

<Homework 8 Problem 9.51 15 of 20 > In (Figure 1). Try - 62.2 MPa Review Part A Determine the principal stresses. Specify the orientation of the element Express your answers, separated by commas, to three significant figures. Choose the angle from the half-interval (90°: 90') va|vke | Tel • 0103-01 - 34 - 114. - 104 • • Eau ? Figure 1 of 1 MPa, MPa, 80 MPa Submit Previous Answers Request Answer * Incorrect: Try Again Part B Determine the maximum plane shear stress and average normal stress Sherify the

txy= 62.2 . please show all steps will give 5 stars thanks

Answer 1

I 62.2 Prinupal stress formula Prane, Brit e Grene har con Genro, fyy = -80mpa, anya 62-2 MPa mu Gman - - 80 5 40²7 6222 = 33.45 = 34 MPa Smio a Bol - √ 40* +62-22 = -113.95 = -24 MPa Orientation fan 20pstung a 2462.2 a 1.sss One-ogy Bo Op er 286

ess shear stress Og e Op t 45 = 28.6+ 45 Oso, sqa 73.6 , 164 nan = 6 34+114 ca 74 MPa 2 AVY / normal Average normal stress a nottyy -4ompa I -40MPa Part A oman - 34 MPa omin=-114 MPa op Part B Comise = 74 Mbe, Panga-4compa, 0, +43-4 13 a6