PROVE THAT 1gf=980dyne
The gravitational unit of force on c.g.s system is 1 gram weight (1 gwt) or 1 gram force (1 gf). It is that much force which produces an acceleration of 980 cm/s2 in a body of mass 1 gram. Thus,
1 gf = 1 gram x 980 cm/s2 = 980 dyne
1 gf = 1 gram x 980 cm/s2 = 980 dyne