Fluid Mechanics

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.

  • A. 4πg/3
  • B. 0.01πgH/4
  • C. 0.01πgH/8
  • D. 0.04πgH/3
Answer: Option A.
Explanation: 

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