For an object to be in static equilibrium, it is not enough that the sum of all forces is zero.

处于静力平衡的物体，仅仅所有作用力之和，为0是不够的。

youdao

Above all forces and being the source of everything is belief. Anyone who wants to keep living must have belief.

居于一切力量之首的，成为所有一切源泉的是信仰。而要生活下去就必须有信仰。

youdao

Willing to unite with all forces that can be united.

愿意团结一切可以团结的力量。

youdao

The goal is to withdraw all combat troops by next September, but leave thousands of troops to train Iraqi forces.

VOA: special.2009.10.10

So all signs of a cosmic battle, or some primordial act of violence between the forces of chaos And evil and the forces of cosmos and good are eliminated.

因此所有宇宙间战争的标志，或者原始的暴行,在混乱邪恶与宇庙美好力量之间的冲突都被消泯。

耶鲁公开课 - 旧约导论课程节选

The short answer is that I think these writers best represent all the different threads, all the different forces in the American Novel Since 1945.

简单的回答是我觉得这些作家极洽当地,代表了1945年以来美国小说中的，各种主题和力量。

耶鲁公开课 - 1945年后的美国小说课程节选

"We're going to make sure all forces know we have this technology, " Cash said.

CNN: Preparing for peace

Allen also called for all forces to undergo quick training on the proper way to handle Islamic religious books.

WSJ: U.S. Pulls Out Advisers After Two Killed in Kabul

The home secretary pledged to raise the standard of all forces towards those at the higher end of the scale.

BBC: Straw targets burglars