As defined already, the force that produces 1 m/sec 2 acceleration on 1 kilogram mass is called as 1 Newton. This unit is recognized as SI unit. Since, forces are also measured in other types of units, a necessity arises to express all such units in equivalent to Newton unit of force.
AS stands for Associate of Science, a 2-year degree.
The at sign, @, normally read aloud as at, also commonly called the at symbol or commercial at, is originally an accounting and commercial invoice abbreviation meaning at a rate of (e.g. 7 widgets @ Â£2 = Â£14). In contemporary use, the at sign is most commonly used in email addresses.