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**Ques:**If one metal cube placed in deep sea where will be maximum shear stress in cube?

**What I know**: In hydrostatic condition there would be no shear stress, that means on any face of cube there would be not shear stress at all.

In case of two dimensional stress; if we have same normal stress on the sides and zero shear stress we cannot draw Mohr circle; that means we cannot have shear stress in any orientation.

**My doubt:**Whether it would same for three dimensional cube as in 2D case.