Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)

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Question: Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)
[A].

Df + Bf = Wf

[B].

Df = Bf + Wf

[C].

Df + Bf + Wf =0

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.