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JEE Main202127 Jul 2021Morning ShiftPhysicsMechanical Properties of FluidsActual

A light cylindrical vessel is kept on a horizontal surface. Area of the base is A . A hole of cross-sectional area a is made just at its bottom side. The minimum coefficient of friction necessary to prevent sliding the vessel due to the impact force of the emerging liquid is

Options

  1. AA 2 a
  2. BNone of these
  3. C2 a A
  4. Da A

Correct answer

C. 2 a A

Step-by-step solution

For no sliding f ≥ ρ a v 2 μ m g ≥ ρ a v 2 μ ρ A h g ≥ ρ a 2 gh μ ≥ 2 a A

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