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第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习

  • 2026-03-10 12:32:13 2026-03-10 12:32:13

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第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习
第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习
第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习
第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习
第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习
第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习
第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习
第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习
第08练牛顿第二定律的基本应用-2023年高考物理一轮复习小题多维练(全国通用)(原卷版)_4.2025物理总复习_赠品通用版(老高考)复习资料_一轮复习

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专题 03 牛顿运动定律 第 08 练 牛顿第二定律的基本应用 1.如图所示,两小球悬挂在天花板上,a、b两小球用细线连接,上面是一根轻质弹簧,a、b两球的质量分 别为m和2m,在细线烧断瞬间,a、b两球的加速度分别为a 、a ,则(取竖直向下为正方向,重力加速度 1 2 为g)( ) A.a=0,a=g 1 2 B.a=g,a=g 1 2 C.a=-2g,a=g 1 2 D.a=-g,a=0 1 2 2.如图所示,质量为m的小球被一根轻质橡皮筋AC和一根绳BC系住,当小球静止时,橡皮筋处在水平方 向上.重力加速度为g,下列判断中正确的是( ) A.在AC被突然剪断的瞬间,BC对小球的拉力不变 B.在AC被突然剪断的瞬间,小球的加速度大小为gsin θ C.在BC被突然剪断的瞬间,小球的加速度大小为 D.在BC被突然剪断的瞬间,小球的加速度大小为gsin θ 3.(2020·山东卷·1)一质量为m的乘客乘坐竖直电梯下楼,其位移s与时间t的关系图像如图所示.乘客所受 支持力的大小用F 表示,速度大小用v表示.重力加速度大小为g.以下判断正确的是( ) N A.0~t 时间内,v增大,F >mg B.t~t 时间内,v减小,F mg 2 3 N 2 3 N 4.(2022·浙江杭州二中月考)如图所示,Pa、Pb、Pc是竖直面内三根固定的光滑细杆,P、a、b、c位于同 一圆周上,点d为圆周的最高点,c点为最低点.每根杆上都套着一个小滑环(图中未画出),三个滑环分别 从P处释放(初速度为0),用t、t、t 依次表示各滑环到达a、b、c所用的时间,则( ) 1 2 3 A.tt>t 1 2 3 1 2 3 C.t>t>t D.t=t=t 3 2 1 1 2 3 1.(2019·浙江4月选考·12)如图所示,A、B、C为三个实心小球,A为铁球,B、C为木球.A、B两球分别 连接在两根弹簧上,C球连接在细线一端,弹簧和细线的下端固定在装水的杯子底部,该水杯置于用绳子 悬挂的静止吊篮内.若将挂吊篮的绳子剪断,则剪断的瞬间相对于杯底(不计空气阻力,ρ <ρ <ρ )( ) 木 水 铁 A.A球将向上运动,B、C球将向下运动 B.A、B球将向上运动,C球不动 C.A球将向下运动,B球将向上运动,C球不动 D.A球将向上运动,B球将向下运动,C球不动 2.蹦床属于体操运动的一种,有“空中芭蕾”之称.某次比赛过程中,一运动员做蹦床运动时,利用力传 感器测得运动员所受蹦床弹力F随时间t的变化图像如图所示.若运动员仅在竖直方向运动,不计空气阻 力,取重力加速度大小g=10 m/s2.依据图像给出的信息,下列说法正确的是( ) A.运动员的质量为60 kgB.运动员的最大加速度为45 m/s2 C.运动员离开蹦床后上升的最大高度为5 m D.9.3 s至10.1 s内,运动员一直处于超重状态 2.如图所示,A、B两物体叠放在一起,以相同的初速度上抛(不计空气阻力).下列说法正确的是( ) A.在上升和下降过程中A对B的压力一定为零 B.上升过程中A对B的压力大于A物体受到的重力 C.下降过程中A对B的压力大于A物体受到的重力 D.在上升和下降过程中A对B的压力等于A物体受到的重力 3.生活中经常测量体重.测量者在体重计上保持静止状态,体重计的示数即为测量者的体重,如图甲所示. 现应用体重计研究运动与力的关系,测量者先静止站在体重计上,然后完成下蹲动作.该过程中体重计示 数的变化情况如图乙所示.对此,下列说法正确的是( ) A.测量者的重心经历了加速、减速、再加速、再减速四个运动阶段 B.测量者的重心在t 时刻速度最小 3 C.测量者的重心在t 时刻加速度最大 4 D.测量者在t~t 时间内表现为超重 1 2 4.(2022·浙江宁波市鄞州中学月考)如图所示,两个完全相同的轻弹簧a、b,一端固定在水平面上,另一端 均与质量为m的小球相连接,轻杆 c一端固定在天花板上,另一端与小球拴接.弹簧 a、b和轻杆互成 120°角,且弹簧a、b的弹力大小均为mg,g为重力加速度,如果将轻杆突然撤去,则撤去瞬间小球的加速 度大小可能为( ) A.a=0.5g B.a=g C.a=1.5g D.a=2g 5.如图所示,有一半圆,其直径水平且与另一圆的底部相切于O点,O点恰好是下半圆的圆心,它们处在 同一竖直平面内.现有三条光滑直轨道AOB、COD、EOF,它们的两端分别位于上下两圆的圆周上,轨道 与竖直直径的夹角关系为α>β>θ.现让一小物块先后从三条轨道顶端由静止下滑至底端,则小物块在每一条 倾斜轨道上滑动时所经历的时间关系为( )A.t =t =t B.t >t >t AB CD EF AB CD EF C.t t 1 2 2 3 C.t
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  1. CONNECT:[ UseTime:0.000798s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000821s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000313s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000266s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000492s ]
  6. SELECT * FROM `set` [ RunTime:0.000180s ]
  7. SHOW FULL COLUMNS FROM `wendang` [ RunTime:0.000638s ]
  8. SELECT * FROM `wendang` WHERE `id` = 373362 LIMIT 1 [ RunTime:0.000444s ]
  9. UPDATE `wendang` SET `liulancishu` = 1 WHERE `id` = 373362 [ RunTime:0.000853s ]
  10. UPDATE `wendang` SET `lasttime` = 1773117403 WHERE `id` = 373362 [ RunTime:0.000540s ]
  11. SELECT * FROM `wendang` WHERE `id` < 373362 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000475s ]
  12. SELECT * FROM `wendang` WHERE `id` > 373362 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001829s ]
  13. SELECT * FROM `wendang` WHERE `id` <> 373362 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.043114s ]
  14. SELECT * FROM `wendang` WHERE `id` <> 373362 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.019445s ]
  15. SELECT * FROM `wendang` WHERE `id` <> 373362 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.007777s ]
0.187756s