当前位置:首页>学习笔记>【2026版高中物理粤教版必修一册学习笔记练透word培优讲义作业31加速度与力、质量之间的关系

【2026版高中物理粤教版必修一册学习笔记练透word培优讲义作业31加速度与力、质量之间的关系

  • 2026-03-27 21:23:32
【2026版高中物理粤教版必修一册学习笔记练透word培优讲义作业31加速度与力、质量之间的关系

(分值:50分)

17分,29分,34题每题11分,512分,共50

1.(多选)探究加速度与力、质量的关系的实验中,下列说法正确的是(  )

A.在平衡摩擦力时,应将砝码盘通过定滑轮用细绳拴在小车上

B.连接砝码盘和小车的细绳应与长木板平行

C.平衡摩擦力后,长木板的位置不能移动,每次改变小车质量时,应重新平衡摩擦力

D.小车释放前应靠近打点计时器,且应先启动电源,再释放小车

2.(9分)在探究加速度与力、质量的关系实验中,某小组设计了如图所示的实验装置。图中上、下两层水平轨道表面光滑,两小车前端系上细线,细线跨过滑轮并挂上砝码盘,两小车尾部细线连到控制装置上,实验时通过控制装置使两小车同时开始运动,然后同时停止。

(1)(6分)在安装实验装置时,应调整滑轮的高度,使;在实验时,为减小系统误差,应使砝码盘和砝码的总质量(选填远大于”“远小于等于)小车的质量。 

(2)(3分)本实验通过比较两小车的位移来比较小车加速度的大小,能这样比较,是因为

__________________________________________________________________________________________。 

3.(11分)如图所示为某小组探究在外力一定的条件下,物体的加速度与其质量间的关系的实验装置示意图。

(1)(3分)下面列出了一些实验器材:电磁打点计时器、纸带、带定滑轮的长木板、垫板、小车和砝码、沙和沙桶、天平(附砝码)。除以上器材外,还需要的有; 

A.秒表B.刻度尺

C.交流电源D.直流电源

(2)(2分)本实验采用的科学方法是; 

A.理想实验法

B.控制变量法

C.建立物理模型法

(3)(2分)实验中,需要平衡打点计时器对小车的摩擦力及其他摩擦力;小车放在长木板上,后面固定一条纸带,纸带穿过打点计时器,把长木板不带定滑轮的一端垫高,调节长木板的倾斜度,使小车在不受绳的拉力时能拖动纸带沿长木板做运动; 

(4)(2分)实验时,某小组同学由于疏忽,遗漏了平衡摩擦力这一步骤,他得到的a-F图像可能是图中的(选填”“)图线。 

(5)(2分)某小组在实验时,保持沙和沙桶质量不变,改变小车质量m,分别记录小车加速度a与其质量m的数据,在分析处理数据时,该组同学产生分歧:甲同学认为根据实验数据可以作出小车加速度a与其质量m的图像,如图甲,然后由图像直接得出am成反比。乙同学认为应该继续验证a与其质量的倒数是否成正比,并作出小车加速度a与其质量的倒数的图像,如图乙所示。你认为同学(选填)的方案更合理。 

4.(11分)某同学用如图所示的装置探究加速度与力、质量的关系。气垫导轨上滑块的质量为M(可以添加配重片),钩码的质量为m,两光电门中心的间距为L,滑块上固定一宽度为d的挡光片(挡光片、滑轮、细线的质量忽略不计),滑块通过1、2两光电门记录的挡光时间分别为Δt1和Δt2,在钩码的牵引下,滑块从气垫导轨的右端开始向左加速运动。

(1)(6分)实验中,滑块经过光电门1时的速度为,滑块加速度的大小为。 

(2)(3分)为了研究在外力一定时加速度与质量的关系,可以改变(选填滑块钩码)的质量,多次重复操作,获得多组加速度a与质量M的数据,用这些数据绘出的图像可能是下列图中的。 

(3)(2分)在上述实验中,计算加速度时以挡光片经过光电门时的平均速度替代了瞬时速度,采用这种方法,加速度的测量值比真实值(选填)。 

5.(12分)探究加速度与力、质量的关系的实验装置如图甲所示。

(1)(4分)在平衡小车受到的摩擦力的过程中,打出了一条纸带如图乙所示。取计数点ABCDE,且相邻两计数点间还有4个计时点没有标出,计数点间的距离如图乙所示,电源的频率为50 Hz。该小车的加速度a= m/s2(结果保留三位有效数字)。 

(2)(4分)平衡摩擦力后,将5个相同的砝码都放在小车上,挂上砝码盘,然后每次从小车上取一个砝码添加到砝码盘中,测量小车的加速度。小车的加速度a与砝码盘中砝码总重力F的实验数据如下表:

砝码盘中砝码总重力F/N

0.196

0.392

0.588

0.784

0.980

通过网盘分享的文件:word讲义

链接: https://pan.baidu.com/s/1ApPu4Bf1G3WQmBT-14h94g?pwd=4321 提取码: 4321 

--来自百度网盘超级会员v8的分享

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  1. CONNECT:[ UseTime:0.001031s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001883s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000778s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000683s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001461s ]
  6. SELECT * FROM `set` [ RunTime:0.000524s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001542s ]
  8. SELECT * FROM `article` WHERE `id` = 477860 LIMIT 1 [ RunTime:0.001424s ]
  9. UPDATE `article` SET `lasttime` = 1774712912 WHERE `id` = 477860 [ RunTime:0.001556s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000751s ]
  11. SELECT * FROM `article` WHERE `id` < 477860 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001260s ]
  12. SELECT * FROM `article` WHERE `id` > 477860 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001038s ]
  13. SELECT * FROM `article` WHERE `id` < 477860 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002352s ]
  14. SELECT * FROM `article` WHERE `id` < 477860 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001721s ]
  15. SELECT * FROM `article` WHERE `id` < 477860 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001427s ]
0.185886s