The principle of virtual work can be applied to elastic system by considering the virtual work of
A)internal forces only
B)external forces only
C)internal as well as external forces
D)none of the above

Question

Quizplus · Accepted Answer

The principle of virtual work for elastic systems takes into account the virtual work done by both internal and external forces. Internal forces account for the system's response to deformations, while external forces are those applied to the system from the outside.

The Principle of Virtual Work Can Be Applied to Elastic