Mechanical Engineering is the application of physical principles and mathematics to the creation of useful devices, objects and machines. Mechanical engineers use principles such as heat, force, and the conservation of mass and energy to analyze static and dynamic physical systems, in contributing to the design of things, such as: automobiles, aircraft, and other vehicles, heating and cooling systems, household appliances, industrial equipment and machinery, weapons systems, etc. In brief, Mechanical Engineers are problem solvers for the society. They research, develop, design, manufacture, and test tools, engines, machines, and other mechanical systems. They also work on power-producing machines. They develop machine tools, industrial production equipment, and robots.

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