The principal stresses are incorrect but the maximum shear stress is correct.  What are the two correct values for the principal stresses

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The principal stresses are incorrect but the maximum shear stress is correct. 

What are the two correct values for the principal stresses?

!
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The cantilevered bar in the figure is made from a ductile material and is statically loaded with Fy= 300 Ibf and Fy = Fz= 0.
The diameter D is 2 in and the height h is 2.5 in. Lengths AB and BC are 14 in. and 5 in., respectively.
2 in
tin
B
F
For the critical stress element, determine the principal stresses and the maximum shear stress.
The principal stresses are 0 =
6257.28 psi and o2
145.7325 psi.
The maximum shear stress is
3200.8 psi.
Transcribed Image Text:! Required information The cantilevered bar in the figure is made from a ductile material and is statically loaded with Fy= 300 Ibf and Fy = Fz= 0. The diameter D is 2 in and the height h is 2.5 in. Lengths AB and BC are 14 in. and 5 in., respectively. 2 in tin B F For the critical stress element, determine the principal stresses and the maximum shear stress. The principal stresses are 0 = 6257.28 psi and o2 145.7325 psi. The maximum shear stress is 3200.8 psi.
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