The aerostatic lift corresponds to which force?

Question

Quiz BPL Hot Air - Balloon Pilot License - Principles of Flight (Balloon) - The aerostatic lift corresponds to which force?

QuizVDS · Accepted Answer

The weight of the displaced air

QuizVDS · Answer

The weight of the balloon less ballast

QuizVDS · Answer

The dynamic force due to airstream across the top of the hull

QuizVDS · Answer

The drag due to airstream around the balloon envelope

BPL Hot Air: The aerostatic lift corresponds to which force?