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.
掉在牛頓頭上的蘋果施加了大約五牛頓的力。