Which of the following relationship is valid for the equilibrium posit – McqOptions

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1.	Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, D f = Drag force on the float B f = Buoyant force on the float W f = Weight of the float)
A.	D f + B f = W f
B.	D f = B f + W f
C.	D f + B f + W f =0
D.	none of these
Answer» B. D f = B f + W f

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