1.发现问题我放风筝时发现,手里牵着的风筝线是弯曲的。我觉得很好奇,用力一拉,风筝线还是拉不直。这是为什么呢?2.分析问题我把疑问告诉了辅导员,老师建议我牵头成立“天马风筝研究小组”,共同解决这个问题。我们在老师的指导下,提出了几种猜想。(1)风力作用:因为天空中风力较 1. Finding problems When I fly a kite, I find that the kite line in my hand is bent. I find it very curious to pull it hard and pull the kite straight. Why is this happening? 2. Analyzing the problem I told the counselor the question. The teacher suggested that I take the lead in establishing the “Tianma Kite Research Team” to jointly solve this problem. We have proposed several conjectures under the guidance of the teacher. (1) Wind effect: because of the wind in the sky