To correctly solve an exercise (and get the results you can verify in a PDF), follow these 5 steps:

Appliquez le Principe Fondamental de la Statique (PFS) sur l'ensemble de la structure : (Somme des forces horizontales) (Somme des forces verticales)

When selecting a PDF for study, ensure it covers these three essential phases of structural analysis: 1. External Stability & Reactions

The search for is a search for mastery. It represents a student’s desire to move from abstract equations to concrete structural understanding. A well-crafted corrected exercise PDF is not a shortcut to an answer; it is a silent professor, guiding the learner through the disciplined logic of equilibrium, the art of the free-body diagram, and the visualization of internal forces.