牛顿是一个国际单位制导出单位,它是由kg·m·s的国际单位制基本单位导出。1牛顿等于要使质量1公斤物体的加速度为1 m/s时,所需要的力。利用因次分析,因为 F=ma (Force = Mass x Acceleration), 将质量及加速度的单位相乘,即可得到牛顿和基本单位之间的关系。
英语百科
Newton (unit) 牛顿 (单位)
(重定向自Piconewton)
The newton (symbol: N) is the International System of Units (SI) derived unit of force. It is named after Isaac Newton in recognition of his work on classical mechanics, specifically Newton's second law of motion.
See below for the conversion factors and SI unitizing.