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【长沙市岳麓实验中学2024-2025学年高二下学期6月月考物理试卷(含答案)

  • 2026-04-16 17:52:39
【长沙市岳麓实验中学2024-2025学年高二下学期6月月考物理试卷(含答案)

高二物理试卷

一、单选题

1.自卸式运输车是车厢配有自动倾卸装置的汽车,又称为翻斗车、工程车,由汽车底盘、液压举升机构、取力装置和货厢组成。如图所示,在车厢由水平位置逐渐抬起的过程中,有关货物所受车厢的支持力和摩擦力,下列说法中正确的是(  )

A.摩擦力逐渐增大B.摩擦力先增大后不变

C.摩擦力先增大后减小D.支持力逐渐增大

2.关于物理学家和他们的贡献,下列说法中正确的是(  )

A.哥白尼提出所有行星绕太阳运动的轨道都是椭圆

B.卡文迪什在实验室里通过扭秤实验,得出了引力常量的数值

C.伽利略用“月—地检验”证实了万有引力定律的正确性

D.牛顿通过理想斜面实验得出“物体运动不需要力来维持”

3.刘洋在2024年巴黎奥运会吊环获得金牌,如图是比赛时的照片。若图中时刻静止,两等长"吊绳"与竖直方向夹角都为,则每根吊绳的张力大小为(  )(刘洋质量为m,重力加速度为g)

A.mgB.C.D.

4.中国科学院院士叶笃正在大气动力学、大气环流等领域成就卓著,获得国家最高科学技术奖,大气气流的升降运动会造成不同高度的温度变化,致使气象万变,万米高空的气温往往在-50℃以下,在研究大气现象时可把温度、压强相同的一部分气体作为研究对象,叫做气团,气团直径可达几千米,由于气团很大,边缘部分与外界的热交换对整个气团没有明显影响,可以忽略,用气团理论解释高空气温很低的原因,是因为地面的气团上升到高空的过程中(  )

A.剧烈膨胀,同时大量对外放热,使周围温度降低

B.剧烈收缩,同时从周围吸收大量热量,使周围温度降低

C.剧烈膨胀,气团对外做功,内能大量减少导致温度降低

D.剧烈收缩,外界对气团做功,故周围温度降低

5.倾角为37°足够长固定斜面上,有一长木板A恰好能处于静止。现有物块B以的速度从A的顶端开始下滑,A、B间动摩擦因数为μ=0.8。已知A、B的质量为别为,重力加速度,最大静摩擦力等于滑动摩擦力。下列说法正确的是(  )

A.物块B下滑过程中,木板A仍能处于静止

B.物块B下滑过程中,A要向下加速,A、B速度刚达到相等时为0.4m/s

C.要使B不脱离A,A板长度至少为1.25m

D.从开始运动到A、B速度达到相等过程中,系统因摩擦产生的热量为18.6J

6.在2023中国载人航天年的“成绩单”中,有神舟十六号航天员乘组完成了多项实验。已知在距地球表面约400km的“天宫”空间站绕地球做匀速圆周运动,以下说法正确的是(  )

A.空间站中的航天员处于平衡状态

B.航天员在空间站中所受到的合力比在地面时大

C.神舟十六号飞船与空间站对接以后,其运行的速度不变

D.神舟十六号飞船与空间站对接以后,其运行的周期比同步卫星大

7.如图所示,三颗质量相等的星体位于等边三角形的三个顶点上,绕中心点做匀速圆圆周运动,已知圆周运动的轨道半径为,引力常量为,不计其他星体的影响,下列说法正确的是(  )

A.三颗星组成的系统,动量不守恒

B.若匀速圆圆周运动的加速度为,则周期为

C.若线速度大小为,则每颗星的动量大小为

D.若线速度大小为,则每颗星的动能为

二、多选题

8.甲、乙两物体并排沿平行直线运动,运动图像如图所示,下列说法中正确的是(  )

A.前内,甲、乙均做匀加速直线运动

B.前内,甲、乙的平均速度相等

C.前内,甲、乙的位移之差为

D.甲、乙距出发点的最大距离均为

9.如图所示,一辆质量的平板小车A停靠在竖直光滑墙壁处,地面水平且光滑,一质量的小铁块B(可视为质点)放在平板小车A的最右端,平板小车A上表面水平且与小铁块B间的动摩擦因数,平板小车A的长度L=0.9m。现给小铁块B一个的初速度使之向左运动,小铁块B与竖直墙壁发生碰撞后向右运动,恰好回到小车A的最右端。重力加速度。下列说法正确的是(  )

A.小铁块B向左运动到达竖直墙壁时的速度大小为2m/s

B.小铁块B与墙壁碰撞过程中所受墙壁的冲量大小为

C.小铁块B与竖直墙壁碰撞过程中损失的机械能为4J

D.小车A最终向右运动的速度大小为

10.如图所示,a、b、c、d分别是一个菱形的四个顶点,∠abc=120°。现将三个等量的正点电荷分别固定在a、b、c三个顶点上,下列说法正确的有(  )

通过网盘分享的文件:试卷9

链接: https://pan.baidu.com/s/1Q66FVoGqbl247e5Z218jVQ?pwd=4321 提取码: 4321 

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  1. CONNECT:[ UseTime:0.000469s ] mysql:host=127.0.0.1;port=3306;dbname=e460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000840s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001215s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.006646s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000885s ]
  6. SELECT * FROM `set` [ RunTime:0.001189s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000756s ]
  8. SELECT * FROM `article` WHERE `id` = 504018 LIMIT 1 [ RunTime:0.001086s ]
  9. UPDATE `article` SET `lasttime` = 1777402718 WHERE `id` = 504018 [ RunTime:0.005587s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000319s ]
  11. SELECT * FROM `article` WHERE `id` < 504018 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000676s ]
  12. SELECT * FROM `article` WHERE `id` > 504018 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005010s ]
  13. SELECT * FROM `article` WHERE `id` < 504018 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004617s ]
  14. SELECT * FROM `article` WHERE `id` < 504018 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005807s ]
  15. SELECT * FROM `article` WHERE `id` < 504018 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.007847s ]
0.125473s