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简单机械真是不简单,它与我们的生活息息相关,可以说已渗入到人类生活的方方面面,给我们的生活带来便利和舒适,提高了工作效率和经济效益。近几年来,中考也围绕着多“联系生活实际,联系社会”这一方向进行命题,所以简单机械这部分内容也是中考考查的热点之一。下面结合中考试题,对简单机械在生活中的应用进行分类总结,以期对大家有所启发。一、生活中的杠杆著名的科学家阿基米德曾说过这样一句名言:给我一个支点,我将能移动地球。“这不是阿基米德的狂妄之言,是人们在长期的生活实践中发现的
Simple machinery really is not simple, it is closely related to our life, it can be said that has infiltrated all aspects of human life, to bring convenience and comfort to our life, improve work efficiency and economic efficiency. In recent years, senior high school entrance examination also focus on many ”contact the reality of life, contact the community “ this proposition, so this part of the content of simple machinery is also one of the hot spots in the exam. The following combination of exam questions, the classification of simple machinery in the application of life classification, with a view to inspire everyone. First, the leverage in life Archimedes famous scientist once said such a famous saying: give me a fulcrum, I will be able to move the earth. ”This is not Archimedes arrogance, is found in the long-term life practice