What is the force required (in Newtons) to hold a spherical balloon stationary i

Question

What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air.

Options:

A . 4πg/3

B . 0.01πgH/4

C . 0.01πgH/8

D . 0.04πgH/3

Answer: Option A

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