Question: The stresses on two perpendicular planes through a point in a body are 30 MPa and 15 MPa both tensile along with shear stress of

The stresses on two perpendicular planes through a point in a body are 30 MPa and 15 MPa both tensile along
with shear stress of 25 MPa. Find
i) The magnitude and direction of principal stresses.
ii) Planes of max. shear stress
iii) The normal and shear stresses on the planes of maximum shearing stress.

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