A hemispherical portion of radius R is removed from the bottom of a cylinder of radius R…
Physics · JEE Advanced · NTA Exams — Properties of Solids and Liquids
A hemispherical portion of radius R is removed from the bottom of a cylinder of radius R. The volume of the remaining cylinder is V and its mass M. It is suspended by a string in a liquid of density ρ where it stays vertical. The upper surface of the cylinder is at a depth h below the liquid surface. The force on the bottom of the cylinder by the liquid is
- Mg
- Mg – Vrg
- Mg + pR2hrg
- rg (V + pR2h).
Answer
(D) r g ( V + p R 2 h ).
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