For a state of plane stress σ1 = σx = 40 MPa, and σ2 = σy = 20MPa. What are the values of the maximum in-plane shearing stress and absolute maximum shearing stress ?

For a state of plane stress σ1 = σx = 40 MPa, and σ2 = σy = 20MPa.

1.	For a state of plane stress σ1 = σx = 40 MPa, and σ2 = σy = 20MPa. What are the values of the maximum in-plane shearing stress and absolute maximum shearing stress ?
A.	(± 10, 20) MPa
B.	(± 10, 10) MPa
C.	(± 20, 10) MPa
D.	(± 20, 20) MPa
Answer» B. (± 10, 10) MPa

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For a state of plane stress σ1 = σx = 40 MPa, and σ2 = σy = 20MPa. What are the values of the maximum in-plane shearing stress and absolute maximum shearing stress ?

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