图9 34甲所示是起重机起吊2t货物时的示意图，�轮组钢绳的绕法如图9 34乙所示当货物以1ms的速度上升2m后再水平移动3m，已知�轮组 Sketch Coloring Page

图9 34甲所示是起重机起吊2t货物时的示意图，�轮组钢绳的绕法如图9 34乙所示当货物以1ms的速度上升2m后再水平移动3m，已知�轮组 Template

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tomski图9 34甲所示是起重机起吊2t货物时的示意图，�轮组钢绳的绕法如图9 34乙所示当货物以1ms的速度上升2m后再水平移动3m，已知�轮组 coloring

图9 34甲所示是起重机起吊2t货物时的示意图，�轮组钢绳的绕法如图9 34乙所示当货物以1m/s的速度上升2m后再水平移动3m，已知�轮组 sketch template

如图甲是建�工地上的塔式起重机示意图它是通过电动机带动如图乙所示�轮组起吊物料的．如果这个�轮组把6×103N的重物在10s内匀速提升10m sketch template

崇左市八大住宅区的建设正如火如荼地进行．如图甲是建�工地上的塔式起重机示意图它是通过电动机带动如图乙所示�轮组起吊物料的．如果这个�轮组把6 sketch template

上图是塔式起重机的起重�轮组的三种绕线方式�擦不计起吊相同重物时钢丝绳上拉力 A甲最小 B乙最小 C丙最小 D三种方式同样 sketch template

如图所示是一种起重机的简图用它把质量为4×103kg底面积为1m2的货物G匀速提起问 1当货物静止于水平地面时它对地面的压强是 sketch template

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上图是塔式起重机的起重�轮组的三种绕线方式�擦不计起吊相同重物时钢丝绳上拉力 A甲最小 B乙最小 C丙最小 D三种方式同样 sketch template

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用图甲所示的�轮组运送货物上楼每件货物重100N每次运送的量不定图乙记录了在整个过程中�轮组的机械效率随货物重力增加而变化的图象．1 sketch template

哈尔滨的五月丁香花盛开处处飘溢着花香从物理学角度说明分子在不停的做无规则运动分子在不停的做无规则运动气温高时香气更浓说明温度越高分子无 sketch template

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如图所示是在连�港港口作业的一种起重机的简图用它把质量为4×103 Kg底面积为1 M2的货物G匀速提起．求 1当货物静止于水平地面 sketch template

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按要求完成作图1如图5所示一木块静止在斜面上．画出它受到的重力和它对斜面压力的示意图2在图中6杠杆B点挂着重物G若在A点施加一个 sketch template

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小雨体重600N每只鞋底与地面接触面积为200cm2货物A重900N货物B体积为001m3用图甲所示�轮组匀速提升A时�轮组机械 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

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“塔吊 是建�工地上普遍使用的起重设备如图所示的“塔吊 AB是竖直支架CD是水平臂OC段叫平衡臂C端装有配重体OD段叫吊臂E处 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

用图甲所示的�轮组运送货物上楼每件货物重100N每次运送的量不定图乙记录了在整个过程中�轮组的机械效率随货物重力增加而变化的图象．1 sketch template

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