如图所示斜面长为l高为h现用力f沿斜面把重为g的物体从底端匀速拉到端已知物体受到斜面的�擦力为f则下列关于斜面机械效率η的表达式正确 Sketch Coloring Page

如图所示斜面长为l高为h现用力f沿斜面把重为g的物体从底端匀速拉到端已知物体受到斜面的�擦力为f则下列关于斜面机械效率η的表达式正确 Template

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sketch #687 Buddha Peace

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anonymous

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sketch #1418 Dylan Thomas. Chayrolfrypan

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sketch #5218 Marshall Lee Dj-ionut Manelomania

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tomski如图所示斜面长为l高为h现用力f沿斜面把重为g的物体从底端匀速拉到端已知物体受到斜面的�擦力为f则下列关于斜面机械效率η的表达式正确 coloring

如图所示有一斜面长为L高为h现用力F沿斜面把物重为G的物体从底端匀速拉到顶端物体所受斜面的�擦力为f．1有同学认为物体做匀速直线 sketch template

如图所示，斜面的长为高的4倍，物体恰能在斜面上匀速下�，下�一段距离的过程中，该物体重力做的功和克服阻力做的功相等。若用平行于斜面�上的拉力F sketch template

如图所示一个倾角为α的直角斜面体静置于光�水平面上斜面体质量为M斜面长为L今有一质量为m的小物体沿光�斜面下�当小物体从斜面顶端 sketch template

如图所示固定在水平面上的斜面长为L=10cm高为h=6m一质量为m=2kg的物体放在斜面上刚好能匀速下�已知重力加速度为g=10m sketch template

如图所示在同一竖直面上质量为2m的小球A静止在光�斜面的底部斜面高度为H＝2L．小球受到弹簧的弹性力作用后沿斜面�上运动．离开斜面后 sketch template

高中物理中，关于斜面上物体�擦力做功的一个结论？知乎 sketch template

如图所示AB为光�的水平面BC是倾角为α的足够长的光�斜面ABBC间用一小段光�圆弧轨道相连一条长为L的均匀柔软链条开始时静止地放在 sketch template

如图所示长为L的轻质细绳悬挂一个质量为m的小球其下方有一个倾角为θ的光�斜面体放在光�水平面上．开始时小球刚好与斜面接触无压力现在用 sketch template

如图所示倾角为30°高为L的固定斜面底端与水平面平�相连质量分别为3mm的两个小球AB用一根长为L的轻绳连接A球置于斜面顶端现由 sketch template

如图1 4所示斜面长为L倾角为θ物体质量为m与斜面的动�擦因数为μ用一沿斜面的恒力F将物体由底端匀速推到顶端则力F做的功为 重力 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

如图所示一个倾角为α的直角斜面体静置于光�水平面上斜面体质量为M斜面长为L今有一质量为m的小物体沿光�斜面下�当小物体从斜面顶端 sketch template

如图所示沿斜面�上拉一个重为45N的物体到斜面顶端斜面长12m高03m拉力做功为216J则这个斜面的机械效率是 %物体受到 sketch template

如图14所示在同一竖直上质量为2m的小球A静止在光�斜面的底部斜面高度为H=2L小球受到弹簧的弹性力作用后沿斜面�上运动离开斜面后 sketch template

如图所示一轻弹簧下端固定在倾角为θ的固定斜面底端弹簧处于原长时上端位于斜面上B点B点以上光�B点到斜面底端粗糙可视为质点的物体质量为 sketch template

如图所示有一倾角为30°的光�斜面斜面长l为10m一小球从斜面顶端以10m/s的速度沿水平方�抛出求1小球沿斜面�到底端的时间t sketch template

如图所示地面上有一固定的斜面体ABCD其AB边的长度S=2m斜面倾角为37°．光�水平地面上有一块质量M=3Kg的足够长的木板紧挨着斜面 sketch template

如图所示倾角为θ的光�斜面上有一个小球m被平行于斜面的的细绳系于斜面上斜面体放在水平面上 1要使小球对斜面无压力求斜面体运动的 sketch template

如图所示倾角为37°足够长的斜面体固定在水平地面上小木块在沿斜面�上的恒定外力F作用下从斜面上的A点由静止开始�上作匀加速运动前进了 sketch template

如图所示倾角为α的光�斜面体上有一个小球m被平行于斜面的细绳系于斜面上开始时斜面体静止放在水平面上g=10m/s2 1要使小球对 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

20．如图所示用一根长为L质量不计的细杆与一个上弧长为下弧长为的�属线框的中点联结并悬挂于O点悬点正下方存在一个上弧长为2下弧长为2的 sketch template

如图所示．一斜面，倾角为α，底边AB长为l=21m，质量为m的物体从斜面顶端由静止开始�下�动，斜面的�擦因数为μ 上学吧找答案 sketch template

如图所示一条长为L的柔软匀质链条开始时静止在光�梯形平台上斜面上的链条长为x0已知重力加速度为gL＜BC∠BCE=α试用x0L sketch template

如图所示倾角为θ的斜面AB是粗糙且绝缘的AB长为LC为AB的中点在AC之间加一方�垂直斜面�上的匀强电场与斜面垂直的虚线CD为电场 sketch template

15．如图所示倾角θ=30°的光�斜面固定在水平面上斜面高h=125 M．质量m=2kg的物体从斜面顶端出静止下�当下�至底端B点时 sketch template

如图所示在倾角θ=30°的光�斜面上长为L的细线一端固定另一端连接质量为m的小球小球在斜面上做圆�运动AB分别是圆弧的最高点和最低 sketch template

如图所示倾角为θ=30°的光�斜面固定在水平地面上斜面底端固定一垂直斜面的挡板质量为m=020kg的物块甲紧靠挡板放在斜面上轻弹簧 sketch template

如图所示在倾角为θ的光�斜面上一根细绳通过定�轮分别与木板小�块相连小�块质量为m木板质量为M木板长为L小�块与木板间的动�擦 sketch template

如图所示在同一竖直平面上质量为2m的小球A静止在光�斜面的底部斜面高度为H=2L小球受弹簧的弹性力作用后沿斜面�上运动离开斜面后 sketch template

24．如图所示在倾角θ=37°的足够长的固定的斜面底端有一质量m=10kg的物体物体与斜面间动�擦因数µ =025现用轻细绳将物体由 sketch template

如图所示在倾角为θ的光�斜面上有一长为l的细线细线的一端固定在O点另一端拴一质量为m的小球现使小球恰好能在斜面上做完整的圆�运动 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�下推此物体使物体加速下�则斜面 sketch template

如图所示倾角θ=30°的光�斜面固定在地面上长为l质量为m粗细均匀质量分布均匀的软绳置于斜面上其上端与斜面顶端齐平．用细线将物块与 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

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