《简单机械》既是在机械运动、力与运动等力学重要知识的基础上的拓展和提高,又是为学习各种能量间的相互转化等知识起到承上启下的作用。这部分知识跟生活、生产关系密切,从生活中最简单的工具到最现代的高科技设备等为我们提供了宽广的人文背景,在新课程标准的理念下,考题取材于课本 “Simple machinery” not only expands and enhances based on important mechanical knowledge such as mechanical movement, force and movement, but also plays an important role in learning the mutual transformation of various kinds of energy. This part of knowledge with life, production close, from the most simple tools of life to the most modern high-tech equipment provides us with a broad cultural background, the concept of the new curriculum standards, the exam is based on textbooks