newton
🇺🇸
/ˈnuːtən/
🇬🇧
/ˈnjuːtən/
A unit of force named after Sir Isaac Newton. It measures how strong a push or pull is.
The apple that fell on Newton's head exerted a force of about five newtons.
掉在牛顿头上的苹果施加了大约五牛顿的力。