Question: is g and gm the same?
Answer: The gram (abbreviation, g or gm) is the cgs (centimeter/gram/second) unit of mass. A force of one dyne (1 dyn), applied to a mass of one gram (1 g), will cause that mass to accelerate at one centimeter per second squared (1 cm/s2). ... In the International System of Units (SI), the kilogram is the preferred unit of mass.