I am doing a static analysis on a trailer to find stress on my trailer. It carries a 6 tons load.

If I need to do a 2G vertical downwards, should I input gravity 19.62 m/s2 with a load convert to newton = 6000 kg (58860 N)

OR input 9.81m/s2  with a load input of 2 x 6000 x 9.81 =117720 N?