近年来,高考把对能力的考核放在了首要位置,能力题包含基础知识,但更注重物理思想,物理方法和过程(状态)分析.2005年高考物理江苏卷第18题就是一道能力立意的好题.为评述方便,先记下原题和参考解答.图1题目:如图1所示,三个质量均为m的弹性小球用两根长均为l的轻绳连成一条直线? In recent years, the college entrance examination has placed the assessment of competence on the forefront, and the ability questions contain basic knowledge, but more attention has been paid to physical thinking, physical methods, and process (state) analysis. The 2005 issue of Jiangsu Physics in College Entrance Exam was a compelling concept. Good question. For ease of review, first write down the original question and reference solution. Figure 1 title: As shown in Figure 1, three elastic balls of mass m are connected by a straight line of two long ropes l ?