正向力 Save Sign in to save words zhèngxiànglì ㄓㄥˋ ㄒㄧㄤˋ ㄌㄧˋ normal force (physics) Character by character 正(zhèng)straight 向(xiàng)surname Xiang 力(lì)surname Li A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0