14．如图所示用两个一样的弹簧秤吊着一根铜棒铜棒所在的虚线范围内有垂直于纸面的匀强磁场棒中通以自左�右的电流当棒平衡时两弹簧秤的读数 Sketch Coloring Page

14．如图所示用两个一样的弹簧秤吊着一根铜棒铜棒所在的虚线范围内有垂直于纸面的匀强磁场棒中通以自左�右的电流当棒平衡时两弹簧秤的读数 Template

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tomski14．如图所示用两个一样的弹簧秤吊着一根铜棒铜棒所在的虚线范围内有垂直于纸面的匀强磁场棒中通以自左�右的电流当棒平衡时两弹簧秤的读数 coloring

题目在探究“杠杆的平衡条件实验中所用的实验器材有杠杆杠杆上每小格长为2cm支架弹簧测力计刻度尺细线和质量相同的钩码若干个 sketch template

如图甲所示两个人用两个弹簧测力计同时竖直�上拉起下端固定的弹簧S乙图中一个人用一个弹簧测力计竖直�上拉弹簧S也使它的上端到达位置A sketch template

如图所示图1中一个物体连接一个轻弹簧在水平恒力F的作用下当水平地面光�物体匀加速运动时弹簧的长度为l1当水平地面粗糙物体正好做匀速 sketch template

为了研究一直线上方�相同的两个力的合成某小组同学用轻质弹簧刻度尺弹簧测力计和细线等进行实验．步骤一他们先将轻质弹簧的一端固定在支架上 sketch template

测定如图所示的�轮组的机械效率 1实验所需器材除钩码弹簧测力计�轮铁架台外还需要和 2如果将两个1N的钩码匀速提升 sketch template

38．如图20所示弹簧测力计的读数是牛物体重牛 3 4 图20——青夏教育精英家教�—— sketch template

试卷预览：2016年浙江理综 sketch template

如图所示质量相等的AB两个小球由轻质弹簧连接起来再用细线吊着处于静止状态．当剪断细线的瞬间A的加速度是2gB的加速是0．题目和 sketch template

4．重物A用一根轻弹簧悬于天花板下画出重物和弹簧的受力图如图1所示．关于这四个力的以下说法正确的是 A．F1的反作用力是F4 B sketch template

如图所示匀速�上拉动弹簧秤乙当弹簧秤甲的示数为5N时弹簧秤乙的示数为55N从而可知被提重物所受重力是1010N这个�轮属于动动�轮 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

如图所示匀速�上拉动弹簧秤乙当弹簧秤甲的示数为5N时弹簧秤乙的示数为55N从而可知被提重物所受重力是1010N这个�轮属于动动�轮 sketch template

如图所示用两个�轮分别匀速提升AB两个物体拉细绳的力F大小相等在相同时间内物体上升的距离也相等绳重及�擦不计�轮的质量小于物体的 sketch template

如图所示沿ab两个不同方�用力拉弹簧测力计使杠杆在水平位置平衡．观察比较两次弹簧测力计的示数大小A沿a方�拉时示数大B沿b方�拉时示 sketch template

30．如图所示用�轮组提起重G的物体绳子自由端拉力为F重物以速度勘匀速上升不计�擦和绳重则 1�轮组的机械效率为 2 sketch template

如图所示两个小球A和B中间用弹簧连接并用细绳悬于天花板下下面四对力中属于平衡力的一对力是 A．绳对A的拉力和弹簧对A的拉力B sketch template

1在“互成角度的两个力的合成实验中如图所示用AB两弹簧秤拉橡皮条结点O使其位于E处此时α β=90°然后保持A的读数不变当α sketch template

图中，弹簧测力计的分度值，砝码受到的重力是N sketch template

如图所示用弹簧秤拉着一支薄壁平底玻璃试管将它的开口�下插在水银槽中由于管内有一部分空气此时试管内水银面比管外水银面高h．若试管本身的 sketch template

如图所示用两个�轮分别匀速提升AB两个物体拉细绳的力F大小相等在相同时间内物体上升的距离也相等绳重及�擦不计�轮的质量小于物体的 sketch template

15．如图所示用F=6N的水平�右的拉力匀速拉动物块A时物块B静止不动此时弹簧测力计的示数为4N则物块B所受�擦力的大小为 N�擦 sketch template

如图所示，用弹簧和弹簧秤、做“探究求合力的方法”实高途 sketch template

14．如图所示用两个一样的弹簧秤吊着一根铜棒铜棒所在的虚线范围内有垂直于纸面的匀强磁场棒中通以自左�右的电流当棒平衡时两弹簧秤的读数 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

26．图13所示的弹簧测力计的示数是 N——青夏教育精英家教�—— sketch template

在比较�轮组机械效率的实验中实验过程如下Ⅰ．如图甲所示用弹簧测力计测量两个钩码的总重力为GⅡ．如图乙所示用动�轮提升钩码Ⅲ．如 sketch template

9．如图所示用两段轻绳悬挂两个相同的�属小球AB两小球带等量的同种电荷质量均为m且处于静止状态则关于悬线1的拉力F1和悬线2的拉力 sketch template

如图所示用AB两个砝码用细线相连挂在定�轮上已知mA=02kgmB=005kg托起砝码A使其比砝码B的位置高02m然后有 sketch template

用如图所示的�轮组将物体�左移动A B两个�轮中A是 �轮B是 �轮在不考��轮重和�擦时物体与桌面的�擦力是90N匀速移动物体 sketch template

如图所示用绳AC和BC吊起一个物体绳AC与竖直方�的夹角为60°能承受的最大拉力为100N绳BC与竖直方�的夹角为30°能承受的最大 sketch template

如图所示小明分别用甲乙两�轮把同一桶沙子从一楼地面提到二楼地面用甲�轮所做的总功为W1机械效率为η1用乙�轮所做的总功为W2机械效率 sketch template

用如图所示的�轮组将物体�左移动A B两个�轮中A是 �轮B是 �轮在不考��轮重和�擦时物体与桌面的�擦力是90N匀速移动物体 sketch template

如图所示用12N的拉力沿竖直方�匀速拉起重为2N的物体物体上升01m所用时间为4s此过程中拉力的功率为 W将物重由2N不断逐渐增大 sketch template

13．如图6所示弹簧测力计测量范围是指针所示被测物重是 N——青夏教育精英家教�—— sketch template

用如图所示的�轮组将物体�左移动A B两个�轮中A是 �轮B是 �轮在不考��轮重和�擦时物体与桌面的�擦力是90N匀速移动物体 sketch template

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