Independent displacement components at each joint of a rigid-jointed plane frame are_________________?
A. three linear movementsB. two linear movements and one rotation
C. one linear movement and two rotations
D. three rotations…
The principle of virtual work can be applied to elastic system by considering the virtual work of_________________?
A. internal forces only
B. external forces onlyC. internal as well as external forces
D. none of the above…
Principle of superposition is applicable when___________________?
A. deflections are linear functions of applied forces
B. material obeys Hooke’s law
C. the action of applied forces will be affected by small deformations of the…