JEE Main & Advanced Physics Fluid Mechanics, Surface Tension & Viscosity / द्रव यांत्रिकी, भूतल तनाव और चिपचिपापन Question Bank Pressure and Density

  • question_answer
    A uniformly tapering vessel is filled with a liquid of density 900 kg/m3. The force that acts on the base of the vessel due to the liquid is \[(g=10\,m{{s}^{-2}})\]

    A)            3.6 N

    B)            7.2 N

    C)            9.0 N

    D)            14.4 N

    Correct Answer: B

    Solution :

                       Force acting on the base             \[F=P\times A=hdgA\]\[=0.4\times 900\times 10\times 2\times {{10}^{-3}}=7.2N\]


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