The frictional force remains constant, dependent on the friction, the kinetic friction coefficient, is always the same...

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。

youdao

If I look at this result — the sum of gravitational potential energy and kinetic energy is conserved - for gravitational force — then it is immediately obvious where we put the zero of kinetic energy.

如果看这个结果-，重力势能与动能之和，在重力作用下，是守恒的-，马上，很明显的发现，动能为0的地方。

youdao

Momentum is conserved, because there was no net external force, so now kinetic energy is also conserved.

动量是守恒的，因为它不受外力，因此动能也是守恒的。

youdao

After 20 minutes, two men on dhol (a large handheld drum with the tubby resonance of the tabla and the kinetic force of a conga) who were not with the band joined the parade and started playing along to the music.

WSJ: Those Infectious Punjabi Dance Rhythms | Sunny Jain | Red Baraat | By Martin Johnson

And I think in the past -- I have given you a blow by blow of the comparison in terms of sanctions taken in Bosnia, or the use of military kinetic force in Bosnia and how long it took for the world to act in those case.

WHITEHOUSE: Press Briefing

It will certainly condition how we view any use of force and kinetic action because I think we have a more precise understanding about the relationship - I won't claim we've fully cracked the code on this but we have a better understanding of the relationship between the use of force and the radicalization of those watching it.

CENTERFORSECURITYPOLICY: They're Baaack