Strength of Materials
The possible loading in various members of framed structures are

compression or tension
shear or tension
buckling or shear
All of the listed here

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Strength of Materials
In the equation of virtual work, following force is neglected

reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
reaction of any smooth surface with which the body is in contact
All of the listed here
reaction of a rough surface of a body which rolls on it without slipping

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