如图所示是小亮同学探究“斜面的机械效率 的实验装置下表是小亮同学记录的实验数据．斜面倾斜程度木块重gn斜面高度hm沿斜面拉力fn斜面长 Sketch Coloring Page

如图所示是小亮同学探究“斜面的机械效率 的实验装置下表是小亮同学记录的实验数据．斜面倾斜程度木块重gn斜面高度hm沿斜面拉力fn斜面长 Template

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tomski如图所示是小亮同学探究“斜面的机械效率 的实验装置下表是小亮同学记录的实验数据．斜面倾斜程度木块重gn斜面高度hm沿斜面拉力fn斜面长 coloring

小明同学在探究重力势能的大小与什么因素有关时，提出了如下猜想：猜想一：物体的重力势能与物体的质量有关猜想二：物体的重力势能与物体所在高度有关 sketch template

如图所示斜面高为1 M 长为3m 工人用400 N 沿斜面 方�的力将重为840 的箱子推到车上在这个过程中工人做的有用功是 J sketch template

如图所示是小明同学研究串联电路中电流电压特点的 实物连接图当开关闭合时灯L1不亮灯L2亮电流表的指针明显偏转电压表示数为电源电压 sketch template

如图是李明同学探究二力平衡条件的实验装置．实验中�现甲图中小车�右运动乙图中小车�右运动丙图中把小车扭转一角度松手后小车将�原位置 sketch template

如图所示下面是某同学做探究“斜面的机械效率与斜面的粗糙程度斜面的倾斜程度的关系 实验时得到如下实验数据． 斜面与水平面夹角小车的重力G sketch template

17．如图所示为某同学利用斜面研究抛体运动的示意图已知斜面AB的倾角为α＝45°高为h＝1 M．斜面的底端A处有一弹性�射器�射器可将小 sketch template

在“探究影响�轮组机械效率的因素”实验中，某同学用如图20所示的同一�轮组分别做了三次实验，实验数据记录如下： 实验次数钩码重/N 钩码上升 sketch template

如图所示是小亮同学探究“斜面的机械效率 的实验装置下表是小亮同学记录的实验数据．斜面倾斜程度木块重G/N斜面高度h/m沿斜面拉力F/N斜面长 sketch template

题目郭胜男同学用如图所示的装置测定斜面的机械效率实验记录结果如下表实验次数斜面倾斜程度物体重量G/N斜面高度h/m沿斜面拉力F/N斜面 sketch template

如图是小明“探究斜面 的实验装置他在实验时用弹簧测力计拉着重为6N的木块分别沿倾斜程度不同的同一斜面匀速�上运动实验数据记录如下表实验 sketch template

如图是探究“阻力对物体运动的影响 的过程．1根据图��中情景可以判断的是 实验事实 是实验推论．2每次让小车从斜面同一高度由静止 sketch template

如图所示的装置是�国古代劳动人��明的提物工具 “差动�轮俗称“神仙�芦．它的上半部分是由固定在一起半径分别为r和R的两个齿轮组成能 sketch template

如图所示让小球从同一斜面的同一高度处下�使它们在不同的物体铺垫的水平面上运动．1请画出小球在木板上最终停止时的大致位置．2实验中让 sketch template

如图所示下面是某同学做探究“斜面的机械效率与斜面的粗糙程度斜面的倾斜程度的关系 实验时得到如下实验数据． 1此探究实验是采用了 的 sketch template

如图所示是某同学探究“斜面机械效率 的装置图．他在实验时用弹簧测力计拉着同一小车沿粗糙程度相同的斜面�上做匀速直线运动分别进行了三次实验 sketch template

如图所示是某同学探究“斜面机械效率 的装置图．他在实验时用弹簧测力计拉着同一小车沿粗糙程度相同的斜面�上做匀速直线运动分别进行了三次实验 sketch template

如图所示在探究小车沿斜面下�的速度如何变化实验中需要的测量工具有刻度尺刻度尺停表停表若全程的路程为30cm停表每格为02s试填写 sketch template

如图22所示下面是某同学做探究“斜面的机械效率与斜面的粗糙程度斜面的倾斜程度的关系 实验时得到如下实验数据．1此探究实验是采用了 的 sketch template

如图1所示．倾角为α=37°的足够长的固定斜面处于垂直于纸面�里的匀强磁场中一带正电小物块从斜面顶端由静止开始沿斜面�下�动运动时间与速度 sketch template

如图所示是小华同学探究�轮组的机械效率的实验装置实验数据如表．实验次数钩码重力G/N钩码上升高度h/cm弹簧测力计示数F/N弹簧测力计移动的 sketch template

如图 所示，一物体静止在斜面上，请你画出物体对斜面压力的示意图和木块受到的�擦力的示意图。——青夏教育精英家教�—— sketch template

如图所示斜面置于光�水平面其光�斜面上有一物体由静止沿斜面下�在物体下�过程中下列说法中正确的是 A．物体的重力势能减�动能 sketch template

题目如图所示已知斜面倾角为30°斜面长为2m．某人用绳子沿斜面将重为500N的木箱由斜面底端匀速拉到顶端．拉力大小为300N绳重不计 sketch template

如图所示一物体恰能在一个斜面体上沿斜面匀速下�可以证明出此时斜面不受地面的�擦力作用若沿斜面方�用力F�下推此物体使物体加速下�斜面 sketch template

如图所示在倾角为θ的斜面上方的A点处放置一光�的木板ABB端刚好在斜面上．木板与竖直方�AC所成角度为α一小物块自A端沿木板由静止�下 sketch template

斜面机械效率 360百� sketch template

百度教育 sketch template

7．某班同学利用如图1所示的实验装置完成了“测�轮组机械效率 以后进行小交流下表是各小记录数据实验小组钩码重GN动�轮G动N拉力 sketch template

如图所示在倾角为θ的斜面上有一木块m该木块恰好能够沿斜面匀速下�求木块与斜面间的动�擦因数5——青夏教育精英家教�—— sketch template

如图所示斜面置于光�水平地面上其光�斜面上有一物体由静止沿斜面下�在物体下�过程中下列说法正确的是 A．物体的重力势能减� sketch template

如图所示斜面长1m高04m用大小为5N沿斜面�上的拉力F将 重10N的铁块从底端匀速拉到顶端斜面的机械效率为若仅使倾角θ逐渐 sketch template

在探究“影响�轮组机械效率的因素时小明同学用图所示甲乙两个相同的�轮组来验证的猜想是�轮组的机械效率可能与 A．被提升物体重力有关 sketch template

如图是小红同学探究影响斜面机械效率因素的实验装置．实验准备的器材有三个质量不同的木块A三条粗糙程度不同的长木板B三个高度不同的长方体铁块 sketch template

在研究性学习中有一组同学设计了“测定斜面的机械效率 的实验如图所示用高为30cm的木块将带有刻度的平木板垫起构成一个斜面并使它固定 sketch template

如图所示是小明测量杠杆机械效率的实验情景． 1请在下表中把相关的数据填写完整物体重 G／N 物体上升的高度h／cm 弹簧测力计的示数 sketch template

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