<Li> Mechanics of materials, the study of how different materials deform under various types of stress </Li> <Li> Fluid mechanics, the study of how fluids react to forces </Li> <Li> Kinematics, the study of the motion of bodies (objects) and systems (groups of objects), while ignoring the forces that cause the motion . Kinematics is often used in the design and analysis of mechanisms . </Li> <Li> Continuum mechanics, a method of applying mechanics that assumes that objects are continuous (rather than discrete) </Li>

Who was the first mechanical engineer in the world