用整体法巧解物理习题的四种类型江苏省姜堰中学李环生用整体法巧解涉及两个（或两个以上）物体的物理习题，通常有以下４种类型：一、对整体（系统）应用牛顿第二定律对由两个物体组成的系统，若系统所受的合外力为Ｆ，则根据牛顿第二定律，有对由三个或三个以上物体组成... Using the holistic approach to solve four types of physics exercises skillfully Jiangsu Jiangyan Middle School Li Huansheng uses the holistic method to solve the physical problems involving two (or more than two) objects, usually the following four types: First, the whole (system If Newton’s second law is applied to a system consisting of two objects, if the external force applied to the system is F, then according to Newton’s second law, there are pairs of three or more objects...