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→Terminology: mass/T^2 -> L/T^2
== Terminology ==
== Terminology ==
Surface gravity is an acceleration, and is commonly measured in the units of acceleration, which are mass per square unit of time. The [[International System of Units|SI]] units of acceleration are m/s².
Surface gravity is an acceleration, and is commonly measured in the units of acceleration, which are distance (or length) per square unit of time. The [[International System of Units|SI]] units of acceleration are m/s².
But surface gravity has another unit, ''g''. The lowercase g is always italicized in the technical literature, mainly to distinguish it from g for gram, and also from g as a symbol for the quantity called surface gravity as opposed to its value. The quantity ''g'' is the standard surface gravity of the [[earth]]. By definition this is 9.80665 m/s².
But surface gravity has another unit, ''g''. The lowercase g is always italicized in the technical literature, mainly to distinguish it from g for gram, and also from g as a symbol for the quantity called surface gravity as opposed to its value. The quantity ''g'' is the standard surface gravity of the [[earth]]. By definition this is 9.80665 m/s².