15．如图质量为m的三角形木块a静止在水平面上．一质量为m的物体b正沿a的斜面下�三角形木块a仍然保持静止则下列说法中正确的是 A．a对 Sketch Coloring Page

15．如图质量为m的三角形木块a静止在水平面上．一质量为m的物体b正沿a的斜面下�三角形木块a仍然保持静止则下列说法中正确的是 A．a对 Template

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anonymous

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sketch #3247 Thor by Juvenilia Alexandrino

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Rachel Roe
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anonymous

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anonymous

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sketch #4987

sketch #5049

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anonymous

anonymous
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anonymous

anonymous
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anonymous

anonymous
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sketch #2977 Spongebob Germaine Hoens

anonymous

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anonymous

anonymous
sketch #3350 Gerard Way by Carrieann Benthem

tomski15．如图质量为m的三角形木块a静止在水平面上．一质量为m的物体b正沿a的斜面下�三角形木块a仍然保持静止则下列说法中正确的是 a．a对 coloring

15．如图质量为M的三角形木块A静止在水平面上．一质量为m的物体B正沿A的斜面下�三角形木块A仍然保持静止则下列说法中正确的是 A．A对 sketch template

如图所示，质量为的三角形木楔，置于静止在水平面上的 高途 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一质量为M的楔形木块放在水平桌面上它的顶角为90°两底角为α和βαb为两个位于斜面上质量均为m的小木块已知所有接触面都是 sketch template

如图所示质量为m横截面为直角三角形木块ABC∠ABC=αAB边靠在竖直墙上F是垂直于斜面BC的推力现物块静止不动则�擦力大小为 sketch template

如图质量为m的小木块放在质量M倾角为θ的光�斜面上斜面在水平推力F作用下在光�水平面上运动木块与斜面保持相对静止斜面对木块的支持力 sketch template

如图所示质量为m横截面为直角三角形木块ABC∠ABC=αAB边靠在竖直墙上F是垂直于斜面BC的推力现物块静止不动则�擦力大小为 sketch template

如图所示，一质量为M的楔形木块放在水平桌面上，它的顶角为90°，两底角为α和β；a、b为两个位于斜面上质量均为m的小木块．已知所有接触面都是 sketch template

如图所示质量为m的木块A叠放在质量为M的长直木板B上A与墙壁用细绳连接绳与墙壁夹角为θA与BB与地面间的动�擦因数均为μ今用一水平 sketch template

12．如图所示一质量为M的楔形木块放在水平桌面上它的顶角为90°两底角为α和βab为两个位于斜面上质量均为m的木块．已知所有接触面 sketch template

如图所示质量均为m的两木块A与B叠放在水平面上A受到斜�上与水平�成θ角的力F的作用B受到斜�下与水平方�成θ角的力2F的作用两木块 sketch template

7．如图2所示质量为m的物块在质量为M的木板上�行木板与地面间�擦系数为物块与木板间�擦系数为 已知木板处于静止状态那么木板所受 sketch template

10．如图所示一质量为M的楔形木块放在水平桌面上它的 顶角为90°两底角为α和βab为两个位于斜面上质量均为m的小木块均静止在 sketch template

如图所示质量为m的小球用一根细线悬挂在O点用一个水平力作用在小球上使细线与竖直方�成30°角时小球静止求1水平拉力的大小．2 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

三颗质量均为M的星球（可视为质点）位于边长为L的等边三角形的三个顶点上。如图所示，如果他们中的每一颗都在相互的引力作用下沿等边三角形的外接圆 sketch template

8．如图所示在一粗糙水平面上有两个质量分别为m1和m2的木块1和2中间用一原长为劲度系数为k的轻弹簧连接起来木块与地面间的动�擦因数为 sketch template

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倾角为θ的斜面体放于水平面上质量为m的物块放在斜面上它们之间的�擦力都忽略不计．要使物块相对斜面静止不动斜面体�左 sketch template

力的三角形法则的应用知乎 sketch template

15．如下图所示三角架质量为M沿其中轴线用两根轻弹簧拴一质量为的小球原来三角架静止在水平面上现使小球做上下振动已知三角架对水平面的 sketch template

如图所示有一等边三角形ABC在BC两点各放一个质量为m的小球在A点放一个质量为2m的小球则这个球组的重心在何处——青夏教育精英家教�—— 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一质量为M的斜面体放在水平面上一质量为m的小物块以初速度�上斜面体斜面体始终保持静止m与M的�擦系数为则斜面体受到的静�擦力 sketch template

百度教育 sketch template

5．如图所示质量为M的斜劈形物体放在水平地面上质量为m的粗糙物块以某一初速度沿劈的斜面�上�至速度为零后又加速返回而物体M始终保持静止 sketch template

3．质量为m的质点，以不变速率v沿图中正三角形ABC的水平光�轨道运动，质点越过A角时，轨道作用于质点的冲量的大小为（）A．mvB．√ sketch template

4．如图所示将质量为m的�块放在倾角为的固定斜面上�块与斜面之间的动�擦因数为若�块与斜面之间的最大静�擦力和�动�擦力大小相等重力 sketch template

如图所有的四边形都是正方形所有三角形都是直角三角形其中最大的正方形的边长是a则图中四个小正方形ABCD的面积之和是 ．题目和 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

如下图 质量为m的质点与三根相同的螺旋形轻弹簧相连静止时弹簧c沿竖直方� 相邻两弹簧间的夹角均为弹簧a、b对质点的作用力大小均为F sketch template

如图质量为m 的物体沿倾角为的斜面匀速下�．下列说法正确的是 A．物体所受合力的方�沿斜面�下 B．斜面对物体的支持力等于物体的重力 sketch template

如图质量为m的木块在质量为M的长木板上受到�右的拉力F的作用�右�行长木板处于静止状态已知木块与木板间的动�擦因数为μ1木板与地面间的 sketch template

如图所示在一粗糙水平面上有三个质量分别为m1m2m3的木块12和3中间分别用自由长度为l劲度系数为k的两相同轻弹簧连接起来木块和 sketch template

14．如图所示在边长为a的等边三角形bcd所围区域内有磁感应强度为B方�垂直纸面�里的匀强磁场某一时刻静止于b点处的原子核X�生α衰变 sketch template

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