The principal stresses σ1, σ2 and σ3 at a point respectively are 80 MPa, 30 MPa and -40 MPa. The maximum shear stress is
a) 25 MPa
b) 35 MPa
c) 55 MPa
d) 60 MPa
The principal stresses σ1, σ2 and σ3 at a point respectively are 80 MPa, 30 MPa and -40 MPa. The maximum shear stress is
a) 25 MPa
b) 35 MPa
c) 55 MPa
d) 60 MPa