Question

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could you please help me by providing an accurate worked solution for the following problem. I have included the answers at the bottom of the page. I will leave you feedback that reflects the quality of your answer.

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SP3. Q2 Stresses oching on on element in a bi-oxal( plane) stvess state ore clepicted in the fiqure below Tne element is wifhin a reinforce d plastic material wiłh on ulhimate strenghn in tensian of 60 MPa, and an ultimare shengtn in campression of SO MPo (o). Detemine the magnitudes of the tho principal stresses. (0) Sketch ne dire㎝cn of the poco par stesse s on an elenent shown inme cavect oientahion relohve to the x axis. (c). petermine me maanitude of the maximum (d). Stetch me mognitucle ard clirection of all stresses e shear shress eement shown ng an he mayimum in-plan in me correct orientation relative one x-axis e). Determine the factor of safety fov tmis anangement using Mohr's cniterion (which is also oescnibed as me Coulomo Mohr theary of failure) 15.0 MPa to MPa 0.(0) 50, -50MPa; (b) Stetcn sheming stress of part Co) w element in Corvect orientation: a rototion of 26.57 deqrees but in which direction ? Must be Specified carrectly! (C).50MPa -45 MPa; (a) stetth shaning stresses of pat (c) wMn eiement in corect onentation: o rotahon of 16+3 deorees relahve to oiginal element, out in which clirection? Must be specfied covechy! l(e). 1.40.

Answer 1

veM ナ 60-lp 2 2 J) 8千+177 Scanned with CamScanner CS

l So 87 LSD iv 2 2 2. 2b 92 mpa Scanned with CamScanner

E- 36 34 Fos Y7-0스阡mta 0,.as Her e 2. -137-24 s137-29 X2 s Scanned with CamScanner