So there is also a frictional force.

所以这个是摩擦力。

youdao

So I know what the frictional force is given by this result.

由此我得到，摩擦力的大小。

youdao

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。

youdao

We normally end up thinking that this frictional unemployment is going to be 3 perhaps 4% of the labour force at any one time.

FORBES: The Problem With US Unemployment Is That It Is Now Like European Unemployment