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 #3107 Hitman by Miguel Edgardo Montes Cuaresma

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sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

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sketch #20960 Kaneki Ken Tokyo Ghoul by Deepak Kaushik

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anonymous
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sketch #5078 Naruto by Shimun Yeyo Ahmed

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Helyryn
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sketch #5308 Taylor Swift by Gabi Ferrari

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Laura Agapi Asnicar
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sketch #389

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anonymous
sketch #389

sketch #4546 Misaki Mei by Wanis Khelifa

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sketch #4546 Misaki Mei by Wanis Khelifa

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sketch #3459 BLUE from fosters imagenary friends

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sketch #3459 BLUE from fosters imagenary friends

sketch #4221 Moi.

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anonymous
sketch #4221 Moi.

sketch #3174 John Snow Helga Fon Stein

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sketch #3174 John Snow Helga Fon Stein

sketch #2937 Spongebob by Kalana Namikaze

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sketch #2937 Spongebob by Kalana Namikaze

sketch #1185

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anonymous
sketch #1185

sketch #334 DON 'T!

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sketch #334 DON 'T!

sketch #5174

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sketch #5174

sketch #2729 Luffy by Jayme Sousa

Jayme Sousa
sketch #2729 Luffy by Jayme Sousa

sketch #3558 Eye Rubel Parvez

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sketch #3558 Eye Rubel Parvez

sketch #5177

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sketch #5177

sketch #5189

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sketch #3390 Beautiful drawing by Jessie Lightwood

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sketch #3390 Beautiful drawing by Jessie Lightwood

sketch #779 Gol D Roger

Benjo Arellano
sketch #779 Gol D Roger

sketch #4831

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sketch #4831

sketch #5230

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sketch #3455 Enya by Georai Shahar

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sketch #3455 Enya by Georai Shahar

sketch #3431 Jimi Hendrix by Konvicted Rohit

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sketch #3431 Jimi Hendrix by Konvicted Rohit

sketch #2457 cool beans brother

sketchmaster
sketch #2457 cool beans brother

sketch #2582

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sketch #3344 Homer by Samuel Roberto

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sketch #3344 Homer by Samuel Roberto

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

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

投石机是�国古代一种有力的攻城武器它的主体是一个杠杆可用其将巨石抛出．如图乙是一个简易投石机抛出石头的过程AOB为主体杠杆O为支点．B 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

题目用如图所示的装置做“探究杠杆的平衡条件实验1实验开始时杠杆的位置如图甲所示为使杠杆在水平位置平衡应将平衡螺母� 移动 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

题目在“探究杠杆的平衡条件 的实验中 1在没有推钩码时杠杆的平衡位置如图甲所示为使杠杆在水平位置平衡可只将杠杆左端螺母� 选填 sketch template

甲乙两位同学在“研究杠杆平衡条件实验中1实验前出现如图甲情况为使杠杆在水平位置平衡应将杠杆左端的螺母� 调．实验中调节杠杆在水平 sketch template

百度教育 sketch template

如图所示是利用杠杆撬起一质材均匀的球形石头的情景O是支点．请在图中画出石头的重力示意图以及重力和力F的力臂并分别用字母L1和L2表示．——青 sketch template

物理实验小组的同学利用如图所示的装置在杠杆支点的两边分别挂上钩码来探究杠杆的平衡条件．1如图甲所示为使杠杆在水平位置平衡应将右端的 sketch template

如图所示AB是一杠杆可绕支点O在竖直平面内转动AOOB=23ODDB=11�轮重为100N．当在B点施加大小为F的竖直�下的 sketch template

如图所示是古人锻造铁器的过程关于改变物体内能的方式下列说法中正确的是 A 加热和锻打属于热传递淬火属于做功 B 加热属于热传递 sketch template

题目如图所示分别用甲乙两个�轮组在相等时间内将质量相等的重物匀速提升相同的高度绳和轮之间的�擦均不计下列说法正确的是 A．甲 sketch template

小明的爷爷戴有焦度为400度的透镜则此透镜的焦距是 A．025mB．05mC．4mD．25m——青夏教育精英家教�—— sketch template

百度教育 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

用四个�轮和两根相同的绳子组成如图所示的甲、乙两个�轮组用它们匀速提起货物在绳自由端施加竖直的拉力分别为F甲和F乙物重分别为G甲和G乙 sketch template

如图所示甲乙两个物块分别系在一条跨过定�轮的轻绳两端已知甲的质量为300g乙的质量为100g不计�擦g取10m/s2则甲乙运动 sketch template

小华利用如图甲所示的实验装置观察水的沸腾实验．1组装器材时应先固定B．2安装好实验器材后小明在烧杯中倒入热水纠正错误后温度计示数 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

题目如图所示固定的半圆形竖直轨道AB为水平直径O为圆心同时从A点水平抛出质量相等的甲乙两个小球初速度分别为v1v2分别落在 sketch template

如图所示甲乙两位同学做“拔河游戏．两人分别用伸平的手掌托起长凳的一端保持凳子水平然后各自�两侧拖拉．若凳子下表面各处的粗糙程度相同 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人将一木箱从一楼抬上三楼甲对木箱做的功 乙对木箱做的功填“大于 “等于或“小于．题目和参考答案——青夏教育精英 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

题目如图甲所示平行于光�斜面的轻弹簧劲度系数为k一端固定在倾角为θ的斜面底端另一端与物抉A连接两物块AB质量均为m初始时均静止 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

体积相同而材料不同的小球甲、乙、丙、丁静止在容器的水中如图所示这四个小球所受的浮力分别为F甲、F乙、F丙、F丁则下列判断正确的是 A sketch template

如图所示，电源电压恒为18V，定值电阻R1=20Ω，�动变阻器R2标有“40Ω 05A”，电流表A的量程为006A，电压表量程为0 sketch template

如图甲所示是小明“探究电流与电压、电阻的关系”的实验电路图。选用的实验器材是：电源3V、电流表（00 6A）、出卷� sketch template

百度教育 sketch template

如图所示是小明利用透明玻璃板“探究平面镜成像特点”的实验装置。�实验中选择两根完全一样的蜡烛A和C，是为了比较像与物的 关系；�小明将蜡烛A 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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