Bhai solve krdo please In mechanical engineering, theoretical frameworks serve as the foundation for understanding and analyzing complex systems and phenomena. These frameworks encompass principles from physics, mathematics, and materials science, providing a basis for designing, optimizing, and troubleshooting mechanical systems. By employing theories such as classical mechanics, thermodynamics, and fluid dynamics, engineers can model and predict the behavior of machinery, structures, and processes, facilitating innovation and advancement in various industries, from automotive to aerospace.