例句與用法

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1. Frictional forces may also act when there is no relative motion .
   在無相對運(yùn)動(dòng)的情況下，也可以有摩擦力的作用。
2. The frictional force between a particle and fluid counterbalances the weight of the particle .
   顆粒與流體之間的摩擦力與其重量相平衡。
3. There will be stray torques from the leads to the detector and some frictional forces from the bearings .
   接到探測器的導(dǎo)線和一些軸承摩擦力會(huì)產(chǎn)生雜散力矩。
4. For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force .
   滑動(dòng)接觸時(shí)，動(dòng)摩擦系數(shù)Uk的定義是摩擦力與法向力的比率。
5. The forces due to friction are called frictional forces
   由于摩擦而產(chǎn)生的力稱之為摩擦力。