JEE Advanced 2018 Paper 2

Section: Physics

Question : 2 of 54

Marks: +1, -0

Consider a thin square plate floating on a viscous liquid in a large tank. The height h of the liquid in the tank is much less than the width of the tank. The floating plate is pulled horizontally with a constant velocity u0 . Which of the following statements is (are) true?

[JEE Adv 2018 P2]

The resistive force of liquid on the plate is inversely proportional to h
The resistive force of liquid on the plate is independent of the area of the plate
The tangential (shear) stress on the floor of the tank increases with u0
The tangential (shear) stress on the plate varies linearly with the viscosity η of the liquid

Validate

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