在解答物理问题时,往往会遇到有相互作用的两个物体或两个以上的物体所组成的比较复杂的系统。分析和解答这类问题,确定研究对象是关键。对系统内的物体逐个隔离进行分析的方法称为隔离法;把整个系统作为一个对象进行分析的方法称为整体法。隔离法的优点在于能把系统内各个物体所处的状态、物体状态的变化的原因以及物体间相互作用关系分析清楚,能 When dealing with physical problems, you often encounter two or more interacting objects or two or more objects that form a more complex system. Analyze and answer such questions, to determine the research object is the key. The method of analyzing the objects in the system one by one is called isolation method. The method of analyzing the whole system as one object is called the whole method. Isolation method has the advantage of being able to put the state of the various objects in the system, the reason for the change of the state of the object and the interaction between the objects clearly