How does the frictional force do that?
摩擦力是怎么做的？
The frictional force between fibres and card wires is measured experimentally.
本文对纤维与梳针间的摩阻力进行了实验测定。
So that means that N of P must be in magnitude the same as the frictional force.
这意味着PN必须,在大小上,与摩擦力相同。
An analytic model including effects of frictional force at movable supports is suggested.
文中建议了考虑活动支座摩擦力影响的简支梁桥整体分析模型。
The frictional force between a particle and fluid counterbalances the weight of the particle.
颗粒与流体之间的摩擦力与其重量相平衡。
The frictional force between a particle and fluid counterbalances the weight of the particle.
土壤中细颗粒的流失是土壤质量恶化的重要表现之一。
Diagram 7 shows a pupil doing an investigation about frictional force. He pulls a box along a concrete surface.
图7显示一个学生在进行一项有关摩擦力的实验。他在水泥地面上拉动一个箱子。
A primary analysis for cutting force of the tools and the frictional force in rotating seal ring are also given.
切削刀具的切削力及密封圈回转摩擦力的初步分析计算。
The deformation and contact frictional force of elastomer pressure shear break are studied in proportion loading .
对比例加载时弹性体压剪裂缝的变形及接触摩擦力问题进行了研究。
The resistance experienced when one body moves over another, with which it is in contact, is called the frictional force.
一个物体在和它接触的另一物体上移动时所受的阻力叫做摩擦力。
There existed a "Platform" effect between the frictional force and the load for fine packed OTS self-assembled molecule film.
对于致密有序的自组装分子膜，在摩擦力与载荷间存在“平台”效应。
This might be enough to counteract the frictional force that holds the slabs of rock in place, making it easier for faults to slip.
这足以抵消保持岩石不动产生的摩擦力，使得岩层轻易移动。
When the solid particle was in slipping or jumping motion state in slurry flow, the solid particle will be influenced by frictional force.
沉降性浆体中固体颗粒处于滑跳移运动状态时，固体颗粒将受到摩擦力的影响。
The method of increasing frictional coefficient is properly used to predict the frictional force of designed path of later horizontal wells.
准确地估价摩阻力对水平井钻井与完井的设计和施工都有重要的指导作用。
Furthermore, the effects of sliding frictional force between cylinder and tire on wear also were analyzed and calculation example was given.
分析了筒体与轮胎之间的滑动摩擦力对轮胎磨损的影响，并给出计算实例。
This method could be used for frictional force analysis in short to medium radius horizontal Wells, and as a reference to field drilling practice.
该方法可适用中短半径水平井的摩阻力分析，供实际钻井作业参考。
The results indicated that the distribution of frictional force is changed from layer to layer, and 5 layers of strip are enough for stable coiling.
研究结果表明：摩擦力分布和胀径时热轧带钢的层数有关，当热轧带钢卷取到第5层时卷筒进行胀径可建立稳定的卷取状态。
And as I increase the tilt this frictional force will get larger and larger and larger and then there comes a time that the object will start to slide.
随着倾斜度的变大，摩擦力，会越来越大，加到某一程度，物体会开始下滑。
The effect of differential sliding and elastic hysteresis on the frictional force in the rolling linear guide (LG) subjected to preloading is analyzed.
主要分析差动滑动和弹性滞后等因素对承受预加载荷下的滚动直线导轨副摩擦力的影响，得出了过盈量与摩擦力的关系。
Now, I don't want this ladder to slide, so now I have a requirement that the frictional force must be less or equal to the maximum frictional force possible.
我不希望梯子滑下来，所以我要求，摩擦力必须小于，或者等于，摩擦力的可能最大值。
A discussion is made of the work done by static frictional force and the conservation of mechanical energy in the work doing process by way of typical cases.
本文就静摩擦力做功以及在静摩擦力做功过程中机械能守恒问题，结合实例做进一步讨论。
And the frictional force, in this case will adjust itself just the right way so that Newton's Second Law in the x direction will give you, for the force, a zero.
其它情况下，摩擦力会根据情况调节自身,此时在x方向上使用第二定律,合力为0就是结果。
According to the poor influences of the cylinder frictional forces to the system control performances, the paper provided a new frictional force compensation method.
文章针对气缸摩擦力对系统控制性能造成的不良影响，提出了一种新的摩擦力补偿方法。
According to the analysis for failure reasons of vertical shaft wall in Linhuan Coal Mine, its main reason is longitudinal load produced by negative frictional force.
分析临涣煤矿区竖井井壁破坏的原因，主要是由负摩擦力产生的纵向荷载引起的。
In order to analyze the distribution of internal frictional force and determine the least layer number for expansion of coiler, the coiling process was studied with FEM.
为了分析热轧带钢在卷取过程中层间摩擦力分布和确定卷筒胀径时最小带卷层数，利用有限元的手段再现了热轧带钢卷取的全过程。
An iterative algorithm is used to work out the vertical properties, including vertical stiffness, contact length and frictional force distribution in longitudinal direction.
采用迭代算法计算了静态垂直特性，即垂直刚度、印迹长度及摩擦力在纵向的分布。
It is shown from the analysis of formation mechanism that the pressure gradient force, vertically frictional force and Coriolis force play the leading roles in forming the YSWC.
对黄海暖流形成机理的分析表明，压强梯度力、垂向摩擦力和柯氏力占主要地位。
When calculation is made for tyre frictional force according to different braking and driving conditions, predicted result is obtained in very good conformation with the tested data.
对不同制动和驱动条件下轮胎摩擦力进行了计算，取得了同试验数据吻合很好的预测结果。
When calculation is made for tyre frictional force according to different braking and driving conditions, predicted result is obtained in very good conformation with the tested data.
对不同制动和驱动条件下轮胎摩擦力进行了计算，取得了同试验数据吻合很好的预测结果。
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