Mechanics: Mechanics is the branch of physics that deals with the behavior of physical bodies when subjected to forces or displacements.

Thermodynamics: Thermodynamics is the study of heat and energy transfer in physical systems.

Fluid Mechanics: Fluid mechanics deals with the behavior of fluids (liquids and gases) in motion.

Materials Science and Engineering: Materials science is the study of the properties and behavior of materials.

Manufacturing Processes: Manufacturing processes involve the production of mechanical components using various techniques.

Mechatronics and Robotics: Mechatronics combines mechanical engineering, electrical engineering, and computer science.

Design and CAD/CAM: Mechanical engineers use computer-aided design and manufacturing software.

Environmental and Sustainable Engineering: Mechanical engineers develop technologies for renewable energy and energy efficiency.