The stability of a frame structure is affected by material properties, geometry of the frame, and load conditions, making all of the above factors important.

For a simply supported beam with a uniformly distributed load (w), the reaction at each support is wL/2.

The primary advantage of using the virtual work method is its applicability to indeterminate structures, allowing for the calculation of deflections and internal forces.

The primary purpose of using a shear diagram in beam analysis is to visualize the distribution of shear forces along the length of the beam.