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The boundary condition equation for X, where X is the component of the surface force in x-direction per unit area is ___________

The boundary condition equation for X, where X is the component of the surface force in x-direction per unit area is ___________ Correct Answer X = σx l+τyx m+τzx n

Let the area of ABC=ds. area OBC=ds cos(N,x)=ds.l area OAB=ds cos(N,y)=ds.m area OAC=ds cos(N,z)=ds.n Resolving all the forces in x-direction and equating them to zero, we get, X = σx l+τyx m+τzx n.

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