VmodExtras/src/main/resources/data/vmodextras/vs_mass/all.json

[
  {
    "block": "vmodextras:ship_void",
    "mass": 0.0,
    "friction": 0.0
  },
  {
    "block": "vmodextras:track_backup",
    "mass": 120.0,
    "friction": 0.0
  },
  {
    "block": "vmodextras:compact_backup",
    "mass": 120.0,
    "friction": 0.0
  }
]