JEE Main 2021PhysicsMechanical Properties of FluidsMediumMCQ

JEE Main 2021 — Mechanical Properties of Fluids Question with Solution

JEE Main 2021 (27 Jul Shift 1)

Question

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

Choose an option

Show full solutionCorrect option: C
Correct answer
C2aA

Step-by-step explanation

For no sliding  

f≥ρav2
μmg≥ρav2
μρAhg≥ρa2gh
μ≥2aA

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About this question

This is a previous-year question from JEE Main 2021, covering the Mechanical Properties of Fluids chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.