engineering recuitment UKPSC AE Civil 2021 Mock Test (Re-Exam) Structural Analysis Methods of Structural Analysis
In deflection of determinate structures, the principal of virtual work and energy states that
1
Work of external loads / work of internal forces = 0
2
Work of external loads is not equal to work of internal forces
3
work of internal forces / work of external loads = 0
4
Work of external loads = work of internal forces