Structural Analysis
While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

infinite length
None of these
zero length
zero moment of inertia

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Structural Analysis
To generate the j th column of the flexibility matrix

a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates
a unit force is applied at coordinate j and the displacements are calculated at all coordinates
a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates
a unit force is applied at coordinate j and the forces are calculated at all coordinates

ANSWER DOWNLOAD EXAMIANS APP