物理学致力于研究物质的基本结构及运动基本规律.在中学物理教学中,我们接触到的多是一个个诸如物块、小球等可视为质点的物体,对于生活中常见的绳子一般是作为某个或某几个研究对象的连接媒介出现,常常伴随的特点是质量可以忽略不计,一旦出现质量不能忽略的绳子,不仅学生无法解决,很多教师也对其束手无策.但是不得不承认这种有质量的绳子才是更贴合实际的,是每一个高中物理教师以及致力于物理奥赛的学生 Physics is devoted to the study of the basic structure of matter and the basic law of movement.In middle school physics teaching, we come into contact with many objects such as blocks and balls that can be considered as particles, which are commonly used in everyday life As a connecting medium for one or a few research objects, often accompanied by the characteristics of negligible quality, once the quality of the rope can not be ignored, not only the students can not be solved, many teachers are also at a loss to them, but have to admit that The quality of the rope is more realistic, is that every high school physics teacher and dedicated to physical Orsay students