合力 hélì join forces Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: resultant force All meanings 8 hélì 8 join forces 7resultant force 1 1 sentence for 合力 (hélì — resultant force) 如果物体受到的合力为零,它将保持静止状态。 rúguǒ wùtǐ shòudào de hélì wéi líng, tā jiāng bǎochí jìngzhǐ zhuàngtài. If the resultant force on an object is zero, it will remain at rest. Source: Dong Chinese Dictionary