Basic concepts and definitions ⑧Machine(机器)：a combination of resistant bodies arranged to compel the mechanical forces of nature to do work accompanied by determinate motion.(-Reuleaux) Machines are mechanical devices used to alter, transmit and direct forces to accomplish a specific objective,(to do work,to achieve some certain application functions. ME357 Design Manufacturing ll 登时代：人是机器的奴隶 55 ME357 Design & Manufacturing II Machine（机器）: a combination of resistant bodies arranged to compel the mechanical forces of nature to do work accompanied by determinate motion.(- Reuleaux) Machines are mechanical devices used to alter, transmit and direct forces to accomplish a specific objective, (to do work, to achieve some certain application functions. ) Basic concepts and definitions 摩登时代：人是机器的奴隶？