پاورپوینت سیستم های انرژی Energy systems maysami

پاورپوینت سیستم های انرژی Energy systems maysami   205اسلاید همراه باتصویر به زبان انگلیسی     The Law of Conservation of Energy •Energy cannot be created or destroyed; it may be transformed from one form into another, but the total amount of energy never changes.   What is energy? • “the ability to do work” •The combination of energy and matter make up the universe: –Matter is substance, and energy is the mover of substance.   ...