newtonKK [ˋnutən] /ˈnutən/發音名詞1牛頓物理One newton is the force needed to accelerate one kilogram at one meter per second squared.一牛頓是使一公斤物體產生每秒平方一公尺加速度所需的力。2牛頓人名Newton's laws of motion still form the basis of classical mechanics.牛頓的運動定律至今仍是古典力學的基礎。