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Atmospheric Pressure

Consider a cy...

Question

Consider a cylinder of height $h$ and Cross sectional area $A$ completely submerged in a fluid of density $ρ$ . What is upthrust?

A

A h ρ g

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B

A h ρ / g

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C

A ρ g

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D

A h^{2} ρ g

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Solution

The correct option is A $A h ρ g$
Upthrust = weight of fluid displaced
= Vol of fluid displaced x density of fluid x acc. due to gravity
$= A h ρ g$

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