你们同样可以，计算摩擦系数。
That should allow you to also calculate the friction coefficient.
轮胎与地面间的摩擦系数是多少呢？
How much is the coefficient of friction between the tire and ground?
可以设置摩擦系数成任何非负值。
The coefficient of friction can be set to any nonnegative value.
静摩擦系数典型地高于动摩擦系数。
Typically, the staticfriction coefficient is higher than the kinetic friction coefficient.
我讲过，摩擦系数，与物体质量无关。
I told you that the friction coefficient is independent of the mass of the object.
木板哪怕沾了一点水，局部的摩擦系数就会改变。
A little bit of water on the plank would locally make the friction coefficients larger.
下面开始演示,你们需要帮助我,计算摩擦系数。
All right, I now would like to do a few demonstrations whereby I want you to calculate the friction coefficients for me.
随载荷的增大摩擦系数减小；
The friction coefficient decreases with the increase of load.
我会读出角度，你们帮我计算摩擦系数。
I'll give you the Angle and I want you to calculate that friction coefficient.
自润滑连杆衬套的低摩擦系数平稳驱动。
Self-lubricating rod bushing with a low coefficient of friction for smooth actuation.
能够提供较高的摩擦系数。
静摩擦系数不是简单的随载荷的增加而减小。
The static frication coefficient does not simply decrease with the increase of load.
随着位移幅值的增大，摩擦系数最大值增大。
And the friction coefficients increased with the increase of the displacement amplitudes.
含特殊原料原橡胶轴承，摩擦系数小，更省电。
With special raw material (raw rubber bearing) and small friction coefficient; electricity -saving.
室内的湿度会随时变化,这对摩擦系数影响很大。
The humidity could change in the room and that could change the friction coefficient.
不含添加剂的聚氨酯聚合物有极高的摩擦系数。
Polyurethane polymer containing no additives has a high coefficient of friction.
研究开发了用于测量飞机跑道摩擦系数的测试车。
A vehicle used to measure the friction coefficients of airstrip is researched and developed.
阀杆采用防吹出保护结构，低摩擦系数的轴承等。
Protection structure with blowout proof stem, low coefficient of friction bearings and so on.
摩擦力不守恒，它取决于摩擦力，动能摩擦系数，一直是相同的。
The frictional force remains constant, dependent on the friction, the kinetic friction coefficient, is always the same...
转动副采用纳米塑料薄层，减小摩擦系数，提高效率。
Revolving join is maddening that plastic of nanometer technique coat, in order to reduce the coefficient of friction for increased efficiency.
静动摩擦系数间的转换定义为给出的中间滑移率的值。
Thetransition between static and kinetic friction is defined by the values given at intermediate slip rates.
同样的轮胎在泥泞的地面上，其摩擦系数可能几乎为零。
The coefficient of friction for that same tire in mud would be almost zero.
当初始转速恒定时，摩擦系数随刹车压力的增大而减小；
The friction coefficient is decreased with brake pressure increasing for constant initial rev and also decreased with initial rev increasing.
在模拟矿井提升的工况下，实验测量闸瓦的动摩擦系数。
Experimental testing is used to measure the dynamic frictional coefficient of the brake-tile on the working condition of simulated promotion.
这项研究表明，脚和球之间的摩擦系数的增加导致了球获得更多的角动能。
This study showed that an increase in the coefficient of friction between the ball and the foot caused the ball to acquire more spin.
在默认模型里，定义摩擦系数为等效滑移率和接触压力的函数。
In the default model the friction coefficient is defined as afunction of the equivalent slip rate and contact pressure.
你们则需要学会,计算摩擦系数,使用μ静=tanα这个公式。
So you should be able to calculate what the friction coefficient is using the equation tangent alpha equals mu s.
此时因为静摩擦系数比动摩擦系数高，所以静摩擦的附着力较大。
The coefficient of friction for static contact is higher than for dynamic contact, so static contact provides better traction.
与尺寸相同的其它类型比较，此类轴承摩擦系数小，极限转速高。
And the same size compared to other types, this type of bearing friction small, high-limit speed.
这样一来，请计算静摩擦系数，它将作为你们第三次作业的，一部分。
That should allow you to calculate the static friction coefficient and you'll get a chance to do that in your third assignment.
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