如图所示a和b两物块的接触面是水平的a与b保持相对静止一起沿固定斜面匀速下�在下�过程中b的受力个数为a．3 b．4 C．5 D．6 Sketch Coloring Page

如图所示a和b两物块的接触面是水平的a与b保持相对静止一起沿固定斜面匀速下�在下�过程中b的受力个数为a．3 b．4 C．5 D．6 Template

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anonymous

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anonymous
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tomski如图所示a和b两物块的接触面是水平的a与b保持相对静止一起沿固定斜面匀速下�在下�过程中b的受力个数为a．3 b．4 c．5 coloring

AB两物块叠加静止在斜面上如图所示关于AB受的�擦力下列说法正确的是 A．A与B 均静止所以AB之间无�擦力 B．A不受 sketch template

如图所示AB两物块叠放在一起在粗糙的水平面上保持相对静止地�右做匀减速直线运动运动过程中A受到B对它的�擦力 A方��左大小 sketch template

如图所示一固定斜面上两个质量相同的小物块A和B紧挨着匀速下�A与B的接触面光�已知A与斜面之间的动�擦因数是B与斜面之间动�擦因数的2倍 sketch template

AB两物块叠加静止在斜面上如图所示关于AB受的�擦力下列说法正确的是 A．A与B 均静止所以AB之间无�擦力 B．A不受 sketch template

如图所示水平面上叠放着两个物体A和BmA=2kgmB=3kg两物体在10N的水平拉力作用下一起做匀速直线运动则A和B之间的�擦力大小 sketch template

如图所示AB两物块的质量分别为2m和m静止叠放在水平地面上．AB间的动�擦因数为μB与地面间的动�擦因数为05μ．最大静�擦力等于 sketch template

如图一所示质量分别为m1=1kg和m2=2kg的AB两物块并排放在光�水平面上若对AB分别施加大小随时间变化的水平外力F1和F2其中 sketch template

如图所示ab是两个位于固定粗糙斜面上的正方形物块它们的质量相等但与斜面间动�擦因数不同F是沿水平方�作用于a的外力当ab都在斜面 sketch template

题目如图所示AB 两物块的质量分别为 2m 和 M静止叠放在水平地面上．AB 间的动�擦因数为μB 与地面间的动�擦因数为 μ sketch template

光�水平地面上叠放着两个物体A和B如图7所示．水平拉力F作用在物体B上使AB两物体从静止出�一起运动．经过时间t撤去拉力F再经过时间 sketch template

如图所示A和B两物块的接触面是水平的A与B保持相对静止一起沿固定斜面匀速下�在下�过程中B的受力个数为A．3 B．4 C．5 D．6 sketch template

如图所示A和B两物体相互接触并静止在水平面上现有两面个水平推力F1和F2分别作用在A和B上AB两物体仍然保持静止则AB两物体之间的 sketch template

一轮复习：受力个数判断题型知乎 sketch template

AB两物块叠加静止在斜面上如图所示关于AB受的�擦力下列说法正确的是 A．A与B 均静止所以AB之间无�擦力 B．A不受 sketch template

如图所示叠放在一起的物体A和B在大小为F的恒力作用下沿水平面做匀速直线运动则下列结论中正确的是 A．甲乙两图中A物体所受的�擦力大小均 sketch template

如图所示A和B两物块的接触面是水平的A与B保持相对静止一起沿固定粗糙斜面匀速下�在下�过程中B的受力个数为A．3个 B．4个 C．5个 sketch template

如图所示AB 两物块的质量分别为 2 M 和 静止叠放在水平地面上 AB 间的动�擦因数为μB 与地面间的动�擦因数为μ sketch template

如图所示长方体物块A叠放在长方体物块B上B置于光�的水平面上已知物块AB的质量分别为rnA＝6 KgmB＝2 KgAB之间的动 sketch template

如图所示长方体物块A叠放在长方体物块B上B置于光�的水平面上已知物块AB的质量分别为rnA＝6 KgmB＝2 KgAB之间的动 sketch template

如图所示A和B两物块又叠放在一起能够沿倾角为θ的斜面从静止开始共同加速�下已知A和B的质量分别为m和MA和B之间的接触面与斜面平行且动 sketch template

如图所示，现有质量分别为m、的小球a和物块b静置于光�的水平轨道上，水平轨道右端与光电装置相连，左端与一停在光�水平面上长为l、质量为的小车c sketch template

如图所示粗糙水平圆盘上质量相等的A、B两物块叠放在一起随圆盘一起做匀速圆�运动则下列说法正确的是 A B都有沿切线方�且�后 sketch template

如图所示AB两物块置于绕竖直轴匀速转动的水平圆盘上两物块始终相对圆盘静止．已知两物块的质量mA RB则下列关系一定正确的是 A sketch template

如图所示�料杆固定在绝缘桌面上ab两个物块可在杆上无�擦�动此时两物块均处于平衡状态．下列推断正确的是A如果物块是带电体则两物块带 sketch template

如图所示甲乙两个正方体物块放置在水平地面上甲的边长小于乙的边长甲对地面的压强为p1乙对地面的压强为p2如果甲乙物块的 A sketch template

16．如图所示在水平力F作用下AB保持静止若A与B 的接触面是水平的且F≠0则关于B的受力个数可能为 A．3个 B．4个 C．5个 sketch template

6．如图所示两个矩形物块叠放在斜面上两物块之间的接触是光�的m1和斜面间接触面是粗糙物块m1受斜面的�擦力的判断不正确的是 C A sketch template

如图所示质量为2kg的物块在水平面上�左运动已知物块与水平面间的动�擦因数 为0．4当物块受大小为6N水平�右的力F作用时物块的 sketch template

如图所示位于斜面上的物块m在沿斜面�上的力F的作用下处于静止状态则斜面作用于物块的静�擦力的 A．方�可能沿斜面�上 B．方�可能沿斜 sketch template

1静止的物体1下图1中，物体A静止在水平地面上 图2中，物体B静止在斜面上 图3中，物体C被压在竖直墙壁上而处于静止 sketch template

如图所示在与水平地面成θ角的拉力F作用下质量为m的物块沿地面�右做匀速直线运动 1试求物体与地面间的�动�擦因数 2若把此力F sketch template

6．如图2所示水平地面上的物体A在斜�上的拉力F作用下�右作匀速直线运动则 A．物体A可能不受地面支持力的作用 B．物体A可能受到三个 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

9．如图所示AB两物体叠放在的水平地面上各接触面的动�擦因数均为05设最大静�擦力等于动�擦力 A物体质量为10kgB物体质量 sketch template

如图所示一固定斜面上的两个小物块A和B紧挨着匀速下�A和B的质量分别为mA=1kgmB=2kg且A与B的接触面光�已知A与斜面之间的动 sketch template

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