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

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

如图16所示是古书《天工开物》中描述人们用舂chong来捣谷时的情景。若在A点悬挂的物重为60NOAOB=43则捣谷人在B点至�需 sketch template

百度教育 sketch template

汉字博物：说“舟”，世界上最早的舟至今多�年，舟是如何制作的 独木舟 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

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

如图所示，在用撬棒撬动石头时，撬棒可看成杠杆，请你在图中标出杠杆的支点O，并画出动力F1和阻力F2。百度教育 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

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

如图甲所示�国“�阳红09 母船正在进行投放“蛟龙号载人深潜器试验调控两根伸缩杆使“∩ 形架绕固定在甲板上的转轴转动至图甲所示位置时 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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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

如图所示是甲乙两只灯泡上的铭牌．下面关于这两只电灯泡叙述正确的是 A．甲灯泡的灯丝比乙灯泡的灯丝粗B．将甲乙两只灯泡串联后接入照明电路 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

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完全相同的木块A和B叠放在水平桌面上在12N的水平拉力F1作用下AB一起作匀速直线运动此时木块B所受的�擦力为0N木块A sketch template

如图甲所示完全相同的木块A和B叠放在水平桌面上在12N的水平拉力F1作用下AB一起作匀速直线运动此时木块B所受的�擦力为0N木块A 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

如图甲所示质量m=05kg初速度υ0=10m/s的物体受到一个与初速方�相反的外力F的作用沿粗糙的水平面�动经3s撤去外力 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

如图甲所示小明在做实验时待测力F施加在钩环上此时示数为2N则F小于填“大于 “小于或“等于 2N如图乙所示若弹簧测力计示数无法调 sketch template

一个圆柱形容器放在水平桌面上如图甲所示容器中立放着一个均匀实心圆柱体M现慢慢�容器中加水加入的水对容器底的压强p水与所加水的质量m的 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

如图甲所示在匀强磁场中有一个n=10匝的闭合矩形线圈绕轴匀速转动转轴O1O2垂直于磁场方�线圈电阻为5Ω从图甲所示位置开始计时通过 sketch template

如图甲所示的电路中�动变阻器的�片P从a端移到b端定值电阻R1两端的电压随�动变阻器R2阻值变化的图象如图乙所示下列说法中正确的是 sketch template

如图甲为细胞中某一结构的模式图图乙表示图甲中3的成分及其各级结构．据图回答下列问题．1图甲所示结构为的亚显微结构．图甲中1所示的结构由4 sketch template

百度教育 sketch template

如图甲所示用弹簧秤将重为39N的物块从斜面的底端匀速拉至顶端则物块所受拉力为26N已知斜面的高为4m长为8m斜面的机械效率为75 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

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

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