QJEEM24Ph1faa: JEE Main 2024 Physics - Class 11 JEEM24Ph1faa Solution: A small ball of mass m and density ρ is dropped in a viscous…

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QJEEM24Ph1faa: JEE Main 2024 Physics - Class 11 JEEM24Ph1faa Solution: A small ball of mass m and density ρ is dropped in a viscous…

A small ball of mass $m$ and density $ρ$ is dropped in a viscous liquid of density $ρ_{0}$ . After sometime, the ball falls with constant velocity. The viscous force on the ball is :

Multiple Choice Options

A mg(1−ρ0ρ)
B mg(ρ0ρ−1)
C mg(1−ρρ0)
D mg(1+ρρ0)

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Accepted Answer

$\begin{aligned} F_{V} = (m g - F_{B}) \frac{m g}{m g} = (\frac{ρ V_{g} - ρ_{0} V_{g}}{ρ V_{g}}) m g \\ F_{v} = m g (1 - \frac{ρ_{0}}{ρ}) \end{aligned}$

QJEEM24Ph1faa: JEE Main 2024 Physics - Class 11 JEEM24Ph1faa Solution: A small ball of mass m and density ρ is dropped in a viscous…

Multiple Choice Options

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