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Fluid Mechanics and Hydraulic Machinery Miscellaneous

Fluid Mechanics and Hydraulic Machinery

  1. A cylindrical body of cross-sectional area A, height H and density ρs, is immersed to a depth h in a liquid of density ρ, and tied to the bottom with a string. The tension in the string is ____.
    1. ρghA
    2. s – ρ)ghA
    3. (ρ– ρs )ghA
    4. (ρh – ρsH)gA
Correct Option: D

Let T = Tension in string
T1 = Mg = Buoyancy force
T + ρsH.A.g = ρ.h A.g
∴ T = g.A(ρh – ρs .H)



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