Make all capitalization consistent with the rules of convention outlined in the American Heritage Dictionary. DO capitalize: The first word and any proper nouns in a title, heading, or subheading. Proper nouns, months, days of the week, but not the seasons.
Newton (unit) The newton (symbol: N) is the SI unit of force. It is named after Sir Isaac Newton because of his work on classical mechanics. A newton is how much force is required to make a mass of one kilogram go faster at a rate of one metre per second squared.
Sir Isaac Newton. (/ËnjuËtÉn/ ; 25 December 1642 â 20 March 1726/7) was an English physicist and mathematician (described in his own day as a  natural philosopher ) who is widely recognised as one of the most influential scientists of all time and as a key figure in the scientific revolution.