15．如图所示重为8n的球b静止在与水平面成37°角的光�斜面上并通过定�轮与重4n的物体a相连．光�挡板与水平面垂直绳倾斜部分与斜面 Sketch Coloring Page

15．如图所示重为8n的球b静止在与水平面成37°角的光�斜面上并通过定�轮与重4n的物体a相连．光�挡板与水平面垂直绳倾斜部分与斜面 Template

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anonymous

anonymous
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anonymous
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Amer Amimer
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anonymous
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tomski15．如图所示重为8n的球b静止在与水平面成37°角的光�斜面上并通过定�轮与重4n的物体a相连．光�挡板与水平面垂直绳倾斜部分与斜面 coloring

15．如图所示重为8N的球B静止在与水平面成37°角的光�斜面上并通过定�轮与重4N的物体A相连．光�挡板与水平面垂直绳倾斜部分与斜面 sketch template

如图所示一重为8N的球固定在AB杆的上端今用测力计水平拉球使杆�生弯曲此时测力计的示数为6N则AB杆对球作用力的大小为 A sketch template

1一物体静止在斜面上如图1所示物体受到的斜面的支持力为8N请在图中作出支持力的示意图．2如图2所示小球被斜挂在竖直墙上小球 sketch template

1如图a所示请画出物体A所受重力的示意图．2如图b所示重8N的物块静止在斜面上受到斜面的支持力为6N．请画出斜面所受压力的示意图 sketch template

15．如图所示重为8N的球B静止在与水平面成37°角的光�斜面上并通过定�轮与重4N的物体A相连．光�挡板与水平面垂直绳倾斜部分与斜面 sketch template

如图所示甲中测力计示数为8N．乙中小球一半浸在水中测力计示数为3N．则此时小球受到的浮力为5N．剪断悬吊小球的细线小球在水中稳定时受到的 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

如图1所示重为8N的物体A在拉力F的作用下5s内匀速运动了05m．拉力F做的功随时间变化的图象如图2所示．己知动�轮重05N物体A在 sketch template

如图所示有一个重为50 N的小球在水平桌面上滚动了20 Cm后落到地面上桌子高80 Cm则重力对小球做的功为多�焦小球的重力势能减�了 sketch template

如图所示用F为40 N的拉力通过�轮组拉着重为300 N的物体A在水平面上以04 M/s的速度�左做匀速直线运动物体受到的�擦力是物重 sketch template

如图所示一重为120N的球固定在弹性杆AB的上端今用测力计沿与水平方�成37°角斜�右上方拉球使杆�生弯曲此时测力计的示数为100N sketch template

重为8N的物体挂在弹簧测力计下面浸没到如图所示圆柱形容器的水中此时弹簧测力计的示数为6N已知容器底面积为100cm2．求1物体受到 sketch template

如图所示将一个重为10N的木块沿倾角为30°斜面匀速�上拉至顶端拉力为8N斜面高5m拉力做功为80J木块所受的�擦力为3N．若仅使 sketch template

球的表面积和体积公式是什么？百度知道 sketch template

利用如图所示的杠杆将重为3N的物体缓慢匀速提高10cm手的拉力F为2N手移动的距离s为30cm．则杠杆的机械效率为 A．22%B．33 sketch template

18．如图所示�球的质量为m从偏离水平方� θ= 300的位置由静止释放求小球运动到最低点A时绳子受到的拉力多大——青夏教育精英家教�—— sketch template

如图所示，上表面粗糙倾角θ=37∘的斜面体放在光�的水平地面上，一物块静止在斜面体上．现给斜面体一水平�左的推力F，�现无论F多大，物块均能与 sketch template

如图所示在轻杆两端分别固定两个球ABA球质量mA=mB球质量mB=2m轻杆可以绕固定轴O转动不计杆与转轴间的�擦两球到转动轴O的 sketch template

再也不怕斜面上的板块问题了知乎 sketch template

如图所示质点A受到F1和F2两个力的作用其中F1=8NF2=6N方�与F1垂直这两个力的合力的大小F= N．A．10NB sketch template

一个倾角为37°的斜面固定不动其上有一个重10N的物体静止不动当给物体加一个水平�右的从零逐渐增大到8N的推力作用时物体仍不动下列说法正确 sketch template

如图所示倾角为30°重为80N的斜面体静止在水平面上．一根弹性轻杆一端垂直固定在斜面上杆的另一端固定一个重为2 N的小球小球处于静止 sketch template

如图所示重为G的光�球在倾角为9的斜面和竖直墙壁之间处于静止状态若将斜面换成材料和质量相同但倾角稍小一些的斜面以下判断正确的是 A sketch template

如图所示，固定在水平面上的光�半球，球心O的正上方固定一个小定�轮，细绳一端拴一小球，小球置于半球面上的A点，另一端绕过定�轮，如图所示。今 sketch template

如图所示一重为10 N的小球在F＝20 N的竖直�上的拉力作用下从A点由静止出�沿AB�上运动F作用12 S后撤去已知杆与球间的动 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

如图所示物体A通过�轮在水平拉力F的作用下沿水平面以1m/s 的速度做匀速直线运动此时弹簧测力计的示数为4N若不计动�轮绳子弹簧测力 sketch template

如图所示长为5m的细绳的两端分别系于竖立在地面上相距为4m的两杆顶端AB绳上挂一个光�的轻质挂钩它钩着一个重为12N的物体平衡时绳中 sketch template

15．如图所示用力F将重为10N的物体压在竖直墙上F方�垂直于墙物体与墙壁间的动�擦因素μ＝02若F=60N则物体受到的�擦力大小 sketch template

15．如图所示所受重力为G的均匀小球放在倾角为α的斜面上球被与斜面夹角为θ的木板挡住球面木板均光�．若使球对木板压力最小则木板与斜面 sketch template

15．如图所示物体A叠放在物体B上在拉力F的作用下物体A和B一起沿着水平地面作匀速直线运动下列关于物体A受力的示意图正确的是 A．B sketch template

15．如图所示用F=6N的水平�右的拉力匀速拉动物块A时物块B静止不动此时弹簧测力计的示数为4N则物块B所受�擦力的大小为 N�擦 sketch template

如图所示一根重8N的均匀直棒ABA端用绳吊在固定点0用一沿水平方�的力F=6N作用于B端使棒处于平衡状态则绳与竖直方�的夹角为 sketch template

重10N的物体在弹簧测力计作用下沿直线匀速运动了50cm弹簧测力计对物体做的功是1414J作出物体受到�擦力的示意图当弹簧测力计的 sketch template

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