Read Edit View history Discussion 正向力 zhèngxiànglì normal force Origin Definitions Defs Strokes Stroke Words Sentences Sents 正向力 zhèngxiànglì normal force the perpendicular contact force exerted by a surface on an object in physics
正向力 zhèngxiànglì normal force the perpendicular contact force exerted by a surface on an object in physics