11th Class Physics Mechanical Properties of Fluids / तरलों के यांत्रिक गुण Question Bank Mechanical Properties of Fluids Conceptual Problems

  • question_answer
    What is the force on a man due to atmospheric pressure? Why one does not feel it?

    Answer:

                    Atmospheric pressure on the surface of the earth is about 1 kg f per square centimetre. The surface area of the body of average man is about \[\text{2}{{\text{m}}^{\text{2}}}\] and hence, a total force equal to about\[\text{2 x 1}{{0}^{\text{5}}}\text{N}\], acts on the body of a man due to atmospheric pressure. But one does not feel this enormous force because his blood exerts a pressure slightly greater than the atmospheric pressure.


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