I know how to do most of this but not the second half how do I solve it? Consider a point in a structural member that is subjected to plane stress. Normal and shear stresses acting on horizontal and verticalplanes at the point are shown.(a) Determine the principal stresses and the maximum in-plane shear stress acting at the point.(b) Show these stresses on an appropriate sketch (e.g., see figures below)There is nevershear stress onprincipal planes.Try10₂10₂Label arrows withstress magnitudes(i.e., absolute values).45°op2oplOavsmaxavgUse direction of arrowto indicate signs.(c) Compute the absolute maximum shear stress at the point.davgmax 45°op2Label arrows withstress magnitudes(i.e., absolute values).oplThere is nevershear stress onprincipal planes.Use direction of arrowto indicate signs.Note that the horizontal direction has been taken as the x - direction, and the vertical direction has been taken as the y direction.Assume the stress magnitudes are |ox| = 9.9 ksi, |oy| = 12.5 ksi, and|xy| = 4.0ksi. The directions of these stresses are indicatedin the figure below. (a) Enter the principal stresses and the magnitude of the maximum in-plane shear stress Tmax acting at the point. Enter a positive valuefor Tmax.Opl =Op2 =Tmax=0p =Oavg=ii 4.2Tabsmax =(b) On a piece of paper, show these stresses on an appropriate sketch. For the sketch, calculate ,, the angle between the x axis and thefirst principal stress orientation. Enter a positive value for 0, for a counterclockwise rotation from the x axis to the direction of opi, ora negative value for a clockwise rotation. Also, calculate oavg, the normal stress on planes of maximum in-plane shear stress. Enter 0,and avg.iiksiksiiksiyLksi(c) Enter the absolute maximum shear stress at the point.ksi

For the plane stress problem, we haveFind:(a) The principal stresses and the in-plane shear…

Opl = op2 = Tmax= (a) Enter the principal stresses and the magnitude of the maximum in-plane shear stress Tmax acting at the point. Enter a positive value for Tmax. 0p = Gavg i Tabsmax i 4.2 69 i i Txy (b) On a piece of paper, show these stresses on an appropriate sketch. For the sketch, calculate, the angle between the x axis and the first principal stress orientation. Enter a positive value for 0, for a counterclockwise rotation from the x axis to the direction of o,1, or a negative value for a clockwise rotation. Also, calculate avg, the normal stress on planes of maximum in-plane shear stress. Enter 0, and oavg i ksi ksi ksi y ksi (c) Enter the absolute maximum shear stress at the point. -X ksi

Opl = op2 = Tmax= (a) Enter the principal stresses and the magnitude of the maximum in-plane shear stress Tmax acting at the point. Enter a positive value for Tmax. 0p = Gavg i Tabsmax i 4.2 69 i i Txy (b) On a piece of paper, show these stresses on an appropriate sketch. For the sketch, calculate, the angle between the x axis and the first principal stress orientation. Enter a positive value for 0, for a counterclockwise rotation from the x axis to the direction of o,1, or a negative value for a clockwise rotation. Also, calculate avg, the normal stress on planes of maximum in-plane shear stress. Enter 0, and oavg i ksi ksi ksi y ksi (c) Enter the absolute maximum shear stress at the point. -X ksi

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.2.19P: At a point on the surface of an elliptical exercise machine, the material is in biaxial stress with...

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