In constructing the weak forms of plane elasticity problems, which option is not related to the principle of virtual displacements?

In constructing the weak forms of plane elasticity problems, which opt

1.	In constructing the weak forms of plane elasticity problems, which option is not related to the principle of virtual displacements?
A.	Displacements to strains
B.	Strains to stresses
C.	The equations of motion
D.	Body forces
Answer» E.

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In constructing the weak forms of plane elasticity problems, which option is not related to the principle of virtual displacements?

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