A balloon is buoyed up with a force equal to the
A) atmospheric pressure.
B) weight of the balloon and contents.
C) weight of air it displaces.
D) density of surrounding air.
E) all of these

Question

Quizplus · Accepted Answer

A balloon is buoyed up by a force equal to the weight of the air it displaces, according to Archimedes' principle. This principle states that any object, totally or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object.

A Balloon Is Buoyed Up with a Force Equal to the