在竞赛辅导时 ,常遇到“风雨交加”这类问题 .我们发现不少学生 ,甚至有的教师在风的方向问题上含糊不清 ,导致错误结论 ,本文通过一道全国物理竞赛题的详细解答来谈论风的方向 .[题目 ]下雨时 ,雨点竖直下落到地面 ,其速度为1 0ｍ/ｓ,若在地面上放一横截面积为 80ｃｍ2 ,高为 In competition counseling, we often encounter such problems as “wind and rain”. We have found that many students and even some teachers are vague about the direction of the wind, leading to erroneous conclusions. This article passes a detailed answer to a national physics contest. To talk about the direction of the wind. [topic] When it rains, the raindrops fall vertically to the ground with a speed of 10m/s. If a cross-sectional area of ​​80cm2 is placed on the ground, the height is