Search the dictionary A Chinese word or character, or English Search 5 entries. zuòyònglì 作用力 action force fǎnzuòyònglì 反作用力 reaction force ruòzuòyònglì 弱作用力 the weak force (in particle physics) qiángzuòyònglì 强作用力 the strong force (in nuclear physics) qiángzuòyònglì 強作用力 the strong force (in nuclear physics)