"Inertial" => trög/tröghet (tröghets-)
Exempel:
"inertial moment" = tröghetsmoment (eller svängmoment)
"inertial navigation" = tröghetsnavigering
"Inertialless" = tröghetsfri
"inertial field" = tröghetsfält (ref: Arhur C Clarke "3001 - The Final Odyssey" :-)
--
Mvh, Lars.