of acceleration due to gravity (and hence the variation of weight) at various locations on the Earth's surface. [18] LocationLatitudem/s2 Equator 0°9.7803 Sydney 33°52′ S9.7968 Aberdeen 57°9′ N9.8168 North Pole 90° N9.8322The historic use of "weight" for "mass" also persists in some scientific terminology – for example, the  chemical  terms "atomic