Problem 4:The state of stress at a particular point in a structure is given below.10200¹-[20= 20-10√2 MPa0-10√210/27/1[o](a) Write the characteristic equation (cubic equation) that would be used to determine theprincipal stresses.(b) Without solving the characteristic equation, verify that one of the principal stresses isOp = 30 MPa. Find its corresponding principal direction (i.e., find its direction cosines).(c) Determine the other principal stresses and their corresponding principal directions.(d) Determine the maximum shear stress.

(a) σ3−20σ2−500σ+6000=0(b) charecterstic equation is satisfied it's condotion.(c) σ1=30 MPa ;…

Answered: Problem 4: The state of stress at a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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