4．如右图所示质量为m的物体用细绳经过光�小孔牵引在光�水平面 上做匀速圆�运动拉力为某个值f时转动半径为r当拉力逐渐减小到f4时 Sketch Coloring Page

4．如右图所示质量为m的物体用细绳经过光�小孔牵引在光�水平面 上做匀速圆�运动拉力为某个值f时转动半径为r当拉力逐渐减小到f4时 Template

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tomski4．如右图所示质量为m的物体用细绳经过光�小孔牵引在光�水平面 上做匀速圆�运动拉力为某个值f时转动半径为r当拉力逐渐减小到f4时 coloring

如图4 21所示质量为m的物体沿半径为R的圆轨道自A点�下�至B点时的速度为v已知物体与轨道间的动�擦因数为μ求物体在B点所受的�擦 sketch template

题目如图所示质量为m=2 Kg的木块在倾角θ=37°的斜面上由静止开始下�木块与斜面间的动�擦因数为μ=05已知sin 37 sketch template

4．如右图所示质量为m的物体用细绳经过光�小孔牵引在光�水平面 上做匀速圆�运动拉力为某个值F时转动半径为R当拉力逐渐减小 到F/4时 sketch template

如图5甲所示质量为m的通电细杆ab置于倾角为的粗糙平行导轨上细杆上有电流通过时恰好静止在导轨上 乙图中给出了4种可能的磁场方�其中杆 sketch template

如图所示，用三根轻绳将质量为m的物块悬挂在空中。已知ac和bc与竖直方�的夹角分别为30°和60°，重力加速度为g。请选择合适的研究对象，画出 sketch template

如图所示，有一绳长为L、质量为m的单�和一长为L、质量为m能绕水平轴自由转动的匀质细棒，现将�球和细棒同时从与铅直线成q 角度的位置静止释放 sketch template

如图所示质量为m的小球从离心轨道上由静止开始无�擦�下后进入竖直面内的圆形轨道圆形轨道的半径为R求 1要使小球能通过圆形轨道的最高 sketch template

如图所示质量为m的物体放在一固定斜面上当斜面倾角为θ=30°时恰能沿斜面匀速下�．重力加速度为g．1物体与斜面间的动�擦因数μ2 sketch template

关于角动量的基础例题（浅学版）知乎 sketch template

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如图，质量为m的质点在Oxy平面坐标系上以某一速度v 0运动时方�如图中箭头所示，受到大小不变、方�为 Y方�的合力作用，质点的速度先百度教育 sketch template

如图所示质量为2kg的物体从高度为 H=08m倾角为30°光�斜面顶端A处开始下�．若不计空气阻力取g=10m/s2则物体由顶端A处 sketch template

如图所示质量为m的物体静止在倾角为θ的斜面上物体与斜面间的动�擦因数为μ．现在使斜面体�右水平匀速移动距离L则�擦力对物体做功为物体与 sketch template

4．如右图所示质量为m的物体用细绳经过光�小孔牵引在光�水平面 上做匀速圆�运动拉力为某个值F时转动半径为R当拉力逐渐减小 到F/4时 sketch template

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如图所示质量分别为mA和mB的物体AB用细绳连接后跨过�轮A静止在倾角为45°的斜面上．已知mA＝2mB不计�轮�擦现将斜面倾角由 sketch template

如图所示质量为m的小球置于正方体的光�盒子中盒子的边长略大于球的直径．某同学拿着该盒子在竖直平面内做半径为R的匀速圆�运动已知重力加速度 sketch template

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如图所示质量为m的物体静止在倾角为a的斜面上物体与斜面一起在水平面上匀速�左水平移动的距离为s．则斜面的支持力和�擦力对物体做的功为 sketch template

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题目如图所示质量为m的小球用一细线悬挂在天花板上现用一大小恒定的外力慢慢将小球拉起在小球可能的平衡位置中细线与竖直方�的最大偏角 sketch template

如图所示质量为m带正电的�属小球和质量为M的不带电的小木球用绝缘线相连当两球处在方�竖直�上电场强度为E的匀强电场中时两球恰能以速度υ sketch template

如图所示质量为m的物体A系于两根轻弹簧l1l2上l1的一端悬挂在天花板上C点与竖直方�夹角为θl2水平拉直左端固定于墙上B点物体 sketch template

3．如图所示质量为m的物体由静止开始从倾角分别为αβ的两个光�固定斜面上�下两斜面的高度均为h则下列叙述正确的是 A．物体�到 sketch template

$如图所示质量为m的小球用长为L的悬线固定于O点在O点正下方$frac{L}{2}$处钉一个钉子把悬线拉直与竖直方�成一定角度由静止 sketch template$

如图所示质量为m的小球用长L的细线悬挂而静止在竖直位置在下列三种情况下分别用水平拉力F将小球拉到细线与竖直方�成θ角的位置．在此过程中 sketch template

7．如图所示质量为m的物体静止在倾角为q的斜面上物体与斜面间的动�擦因数为m现在使斜面体�右水平匀速移动距离l则�擦力对物体所做的功为 sketch template

如图所示质量为m的物体放在水平桌面上在与水平方�成θ角的拉力F作用下加速�前运动已知物体与桌面间的动�擦因数为μ则下列判断正确的是 sketch template

如图所示质量为mA的尖劈A一面靠在竖直光�的墙上另一面和质量为mB的光�棱柱B接触B可沿光�水平面C�动求AB的加速度aA和aB的 sketch template

如图所示质量为m的物体始终静止在斜面上在斜面体从图中实线位置沿水平面�右匀速运动到虚线位置的过程中下列关于物体所受各力做功的说法正确的是 sketch template

如图所示质量为m的物体放在一固定斜面上当斜面倾角为θ=30°时恰能沿斜面匀速下�．重力加速度为g．1物体与斜面间的动�擦因数μ2 sketch template

如图所示质量为m的小球被用细绳经过光�小孔而牵引在光�水平面上做圆�运动开始时绳子拉力为F1小球做半径为R1的匀速圆�运动某时刻突然将 sketch template

百度教育 sketch template

如图甲所示质量为m = 05kg初速度v0= 10 m/s的物体受到一个与初速度v0方�相反的外力F作用沿粗糙的水平面�动物体与 sketch template

4．如图2所示质量为M的木板放在水平桌面上一个质量为m的物块置于木板上木板与物块间木板与桌面间的动�擦因数均为μ现用一水平恒力F�右 sketch template

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