动力学问题,尤其是其中的复杂连接体问题,常常有着多种不同的解法.方法各异、思路独特的解题方法能够极大地开拓学生处理问题的思路、培养学生的发散思维能力,而这种能力正是一位合格的物理竞赛学生所必备的.本文 Kinetic problems, especially those with complex connectors, often have many different solutions. Methods that have different ways of thinking and unique ways of thinking can greatly open up the way for students to deal with problems and develop students’ divergent thinking ability. The ability is exactly what a qualified physical competition student must have