如图甲所示为古人巧妙应用杠杆的智慧结晶——舂，当人用力踩横木一端时，松脚后横木绕某点转动，另一端碓头下落，击打石臼内的谷物。图乙是用力踩在横木 Sketch Coloring Page

如图甲所示为古人巧妙应用杠杆的智慧结晶——舂，当人用力踩横木一端时，松脚后横木绕某点转动，另一端碓头下落，击打石臼内的谷物。图乙是用力踩在横木 Template

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sketch #5339

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sketch #3662 Angel by Alexander Volodimirovich Danilchenko

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sketch #3662 Angel by Alexander Volodimirovich Danilchenko

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sketch #3822

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sketch #1855 MAGIC DANCE

sketch #5052 Gorillaz by Rafał Dawid

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sketch #5052 Gorillaz by Rafał Dawid

sketch #2937 Spongebob by Kalana Namikaze

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sketch #2937 Spongebob by Kalana Namikaze

sketch #4902

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anonymous
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sketch #4887 Jessica Rabbit by Garima Taneja

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sketch #4887 Jessica Rabbit by Garima Taneja

sketch #2904 Pinky and the Brain by Tim Poole

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sketch #2904 Pinky and the Brain by Tim Poole

sketch #4546 Misaki Mei by Wanis Khelifa

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sketch #4546 Misaki Mei by Wanis Khelifa

sketch #3626 Skream by Wellen Lima

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sketch #3626 Skream by Wellen Lima

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sketch #5116 Bleach by Vrushali Rane

sketch #5074

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sketch #5074

sketch #4829

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sketch #4829

sketch #5271

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sketch #4774 Banksy&#;s Wall and Piece by Ameli Cedeño Barcia

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anonymous
sketch #4774 Banksy&#;s Wall and Piece by Ameli Cedeño Barcia

sketch #5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit

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anonymous
sketch #5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit

sketch #1385 fingerschpitsengeful

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sketch #1385 fingerschpitsengeful

sketch #286 sun

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sketch #286 sun

sketch #3651 Istanbul by DjDarío GT

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sketch #3651 Istanbul by DjDarío GT

sketch #3760 PSY by Juvenilia Alexandrino

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sketch #3760 PSY by Juvenilia Alexandrino

sketch #3157 umpa lumpa

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sketch #3157 umpa lumpa

sketch #1695

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anonymous
sketch #1695

sketch #5103

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sketch #664 Spider on a plant pot

Rachel Roe
sketch #664 Spider on a plant pot

sketch #5293

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sketch #3631

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sketch #3595

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sketch #5115

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anonymous
sketch #5115

tomski如图甲所示为古人巧妙应用杠杆的智慧结晶——舂，当人用力踩横木一端时，松脚后横木绕某点转动，另一端碓头下落，击打石臼内的谷物。图乙是用力踩在横木 coloring

如图甲所示为古人巧妙应用杠杆的智慧结晶——舂，当人用力踩横木一端时，松脚后横木绕某点转动，另一端碓头下落，击打石臼内的谷物。图乙是用力踩在横木 sketch template

滚木与杠杆破解凉山大石墓之谜李后强当代县域经济� sketch template

如图甲所示，桔槔是�国古代汲水的一种器具，可看作杠杆，图乙是其简化示意图。请在图乙的A点中作出水桶所受重力G的示意图，并画出力F1的力臂l1。 sketch template

在人体中有许许多多杠杆，甚至踮一下脚跟也是人体杠杆在起作用。如图所示，人以 为支点，通过小腿肌肉用力，踮起脚跟，按杠杆的分类，这是一个 杠杆 sketch template

百度教育 sketch template

1如图1所示使用羊角锤拔钉子动力作用在锤柄上A点．请作出拔钉子时所用最小动力F的示意图．2如图2所示F1是作用在抽水机手柄A点处 sketch template

如图所示是古代入撬石头时的示意图请在图中画出力F对支点O的力臂并用字母L标明．题目和参考答案——青夏教育精英家教�—— sketch template

在如图所示中O是杠杆的支点试画出F1和F2的力臂L1和L2．——青夏教育精英家教�—— sketch template

如图甲所示人的手臂相当于一个杠杆它的支点在O点．请你画出图中铅球对手的作用力F的力臂L如图乙所示重为G的木箱A静止在斜面上请作出木箱 sketch template

如图所示杠杆中，O为支点，请画出图中力F1和F2的力臂L1和L2． ——青夏教育精英家教�—— sketch template

如图甲所示杠杆AB能绕固定点O在竖直平面内转动水平地面上的配重乙通过细绳竖直拉着杠杆B端．已知AOOB=25配重乙与地面的接触面积为 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

百度教育 sketch template

如图所示杠杆每小格的长度相等质量不计以o点为支点杠杆的右端挂有重物M支点左边的A处挂钩码M时杠杆平衡将重物M浸没在水中钩码移到 sketch template

如图所示小柯积极参加体育锻炼．1图甲所示为小柯初学俯卧�时的姿势图乙所示为他经练习后的俯卧�姿势．图乙中小柯双手所受的支持力＞＞图甲的 sketch template

如图甲所示在水面上方匀速提升密度为3×103kg/m3的物体时绳端所用的拉力为300N�轮组的机械效率为60%．如果将物体全部浸没在水中 sketch template

如图甲所示漫画描绘的是猴子和兔子分萝卜的情景究竟谁分得的萝卜重三位同学提出了自己的猜想甲认为猴子胜利了乙认为兔子胜利了丙认为 sketch template

题目按要求作图 1如图甲所示是小华春游时在水边看到的美景请将他看到水中“�木 的光路图补充完整 2如图乙所示在水平高速 sketch template

如图甲所示，一物块以一定初速度沿倾角为的固定斜面上高途 sketch template

如图所示古人将一硬棒悬挂在�枝上绳对杆的动力F1使杆绕0点�生转动提起水桶下列说法正确的是 A．阻碍杆转动的阻力是水和水桶的总重力 sketch template

如图所示AOB为一轻质杠杆O为支点OA=OB在杠杆的B端挂一重20N的重物要使杠杆平衡则在A端施加的力F至�为 N 题目和参考 sketch template

如图凸透镜放置在水面上方主光轴与水面重合A为焦点现水面上方点光源S�出一条光线SA在水面即�生了反射又�生了折射请补全光路．——青夏 sketch template

如图甲所示，用刻度尺测量一物体的长度，物体的长度为cm；如图乙所示，图中是分度值为01s的机械秒表，其示数是s。 sketch template

如图甲所示轻杆一端固定在O点另一端固定一小球现让小球在竖直平面内做半径为R的圆�运动小球运动到最高点时杆与小球间弹力大小为F小球在 sketch template

小李在“探究物质熔化规律”实验中，所用装置如图甲所示。�在安装器材时应按照选填（“从上到下”或“从下到上”）的顺序安装器材；�从图乙可知物质在 sketch template

如图所示，质量为的物体甲通过三段轻绳悬挂，三段轻绳高途 sketch template

如图甲所示，小童在�上看到一个神奇的实验，利用四个梯形的�料片，围成一圈立在手机上，就可以将手机上的影像成在空中，形成具有“3D”效果的“全息 sketch template

20．如图甲所示为学校操场上一质量不计的竖直�杆�杆上端固定下端悬空为了研究学生沿杆的下�情况在竿的顶部装有一拉力传感器可显示竿顶端 sketch template

如图甲用游标为50分度的卡尺测定某圆柱的直径时卡尺上的示数如图可读出圆柱的直径为 Cm如图乙是用螺旋测微器测某工件的厚度则工件的厚度为 sketch template

如图甲所示杠杆AB能绕固定点O在竖直平面内转动水平地面上的配重乙通过细绳竖直拉着杠杆B端．已知AOOB=25配重乙与地面的接触面积为 sketch template

如图甲所示物体甲重40N被50N的水平压力F甲压在竖直墙壁上保持静止．如图乙所示物体乙重60N在35N的水平拉力F乙作用下沿水平桌面 sketch template

12．如图甲所示在x轴上有一个点电荷QOAB为轴上三点放在AB两点的检验电荷受到的电场力跟检验电荷所带电荷量的关系如图5乙 sketch template

如图所示甲乙两图都是用来“验证机械能守恒定律 的装置示意图已知该打点计时器的打点�率为50Hz．重力加速度为g1甲乙两图相比较 图 sketch template

如图甲是小灯泡L和电阻R的电流随电压变化图象将它们按图乙所示接入电路中只闭合开关S小灯泡的实际功率为1W再闭合开关S1电流 sketch template

如图甲所示小球从某高度处静止下落到竖直放置的轻弹簧上并压缩弹簧．从小球刚接触到弹簧到将弹簧压缩至最短的过程中得到小球的速度v和弹簧被压缩的 sketch template

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