AP EAMCET · PHYSICS · Mechanical Properties of Fluids
A person of height \(1.65 \mathrm{~m}\) is standing upright. The additional external force required by blood vessel of length \(1 \mathrm{~cm}\), diameter \(1 \mathrm{~mm}\) at feet to balance the pressure compared to similar blood vessel in head is (Density of blood \(=1.1 \times 10^3 \mathrm{~kg} \mathrm{~m}^{-3}, \mathrm{~g}=10 \mathrm{~ms}^{-2}\) )
- A \(0.57 \mathrm{~N}\)
- B \(5.7 \mathrm{~N}\)
- C \(1.85 \mathrm{~N}\)
- D \(3.14 \mathrm{~N}\)
Answer & Solution
Correct Answer
(A) \(0.57 \mathrm{~N}\)
Step-by-step Solution
Detailed explanation
Pressure difference \(\Delta \mathrm{p}=\rho \mathrm{gh}\) and force exerted…
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