功能关系是物理教学中非常重要的一个知识点,而考查功能关系的试题往往以复杂的运动过程为载体,因此要解决好这类问题,关键是在抓住功能关系的基础上,找准分析问题的切入点,下面以一个典型的试题为例,从不同的切入点分析问题,讨论其相应的解法.图1例题.如图1所示,一劲度系数很大的轻质弹簧一端固定在倾角θ=30°的斜面底端,将弹簧压缩至A The functional relationship is a very important knowledge point in physics teaching. However, examination questions of functional relationships tend to be based on complex sports processes. Therefore, to solve such problems, the key point is to grasp the functional relationship and identify and analyze Problem entry point, the following to a typical test questions, for example, from different point of entry to analyze the problem, discuss the corresponding solution.Examples of Figure 1. Shown in Figure 1, a large coefficient of stiffness light spring end fixed At the bottom of the bevel angle θ = 30 °, compress the spring to A