They didn't seem to understand the 'gravity' [='seriousness'] of the situation.
He uttered the oath with proper 'gravity'. [='solemnity']
Its low 'center of gravity' makes the car very stable.
(..) How does Jesse fit into the whole thing? Jesse. Well, Jesse and Leon just sort of showed up one night and never, ever left. It's just the way my brother is, you know. Dom's like.... He's like gravity. Everything just gets pulled to him. Even you. No. No. The only thing that pulled me in was you. (..)2001 The Fast and the Furious