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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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

7．桔槔是�国古代劳动人�在生产实践中�明创造的一种巧妙地运用杠杆原理的提水工具．如图所示设配重A重30NCODO=21木桶重20N 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

百度教育 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

百度教育 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

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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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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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

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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

在图所示的电路中，电源电压不变，闭合开关，电流表A表的示数将，电压表V表的示数将。 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

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

如图所示四幅图中由凝华而形成的自然现象是A绚丽多姿的雾B飘逸纤细的霜C朦胧迷幻的露D晶莹剔透的冰——青夏教育精英家教�—— sketch template

如图所示用粗细均匀的电阻丝折成平面梯形框架abcd边均与ad边成60°角ab=bc=cd=L长度为L的电阻丝电阻为r框架与一电动势 sketch template

写出游标卡尺的读数．1如图甲读数是 Mm2如图乙读数是 Cm3如图丙读数是 Mm 题目和参考答案——青夏教育精英家教�—— sketch template

如图甲所示是某兴趣小组在“伏安法测电阻实验中分别作出R1R2的U I图象．小明利用R1R2两个电阻设计了如图乙所示的实验电路此时 sketch template

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