晋一教育·山西省2022-2023第一学期九届级期末质量监测数学试题答案

晋一教育·山西省2022-2023第一学期九届级期末质量监测数学试题答案，目前全国100所名校答案网已经汇总了晋一教育·山西省2022-2023第一学期九届级期末质量监测数学试题答案的各科答案和试卷，更多全国100所名校答案请关注本网站。

1.C【解析】戽斗缓慢上升处于动态平衡，绳子对戽斗的合力等于戽斗的重力，绳子对戽斗的合力不变，A、B项错误；设绳子与竖直方向的夹角为0，由4Fcos0=mg得F=mg40戽斗缓慢上升夹角9逐增大故每根绳子对戽斗的作用力增大，C项正确，D项错误。

One possible versionNowadays,more and more short videos about traditional Chinese culture have emerged online.From myperspective,the phenomenon is delightful.On the one hand.some long-forgotten forms of traditional Chineseculture have become rejuvenated in such short videos.On the other hand,short videos,which are easilyaccessible to Internet users,contribute to the fast spread of traditional Chinese culture.However,some of the short videos spread misinformation or ruin the essence of our culture.Therefore.those who create or upload such videos should take their responsibilities and relevant platforms are supposed toearry out strict rules.