A small ball of mass M and density \rho is dropped in a viscous liquid of density \rho_0. After some time, the ball falls with a constant velocity. What is the viscous force on the ball? [6-Apr-2023 shift 1]

Correct Answer is : F=Mg(1−ρ0ρ)

Properties of Matter Part 2

Section: Physics

Question : 20 of 100

Marks: +1, -0

A small ball of mass M and density ρ is dropped in a viscous liquid of density ρ0. After some time, the ball falls with a constant velocity. What is the viscous force on the ball?

[6-Apr-2023 shift 1]

F=Mg(1+‌
ρ0
ρ
)
F=Mg(1+‌
ρ
ρ0
)
F=Mg(1−‌
ρ0
ρ
)
F=Mg(1±ρρ0)

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