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solniwko [45]
3 years ago
15

In regions of the cardiovascular system where there is steady laminar blood flow, the shear stress on cells lining the walls of

the blood vessels is about 20 dyne/cm2. If the shear strain is about 0.008, estimate the shear modulus for the affected cells. Note 1 dyne = 1 g ⋅ cm / s 2 and 1 N = 10 5 dyne
Biology
1 answer:
Lynna [10]3 years ago
7 0

Answer:

250 N/m2

Explanation:

Shear stress on cells lining the walls of the blood vessels  is equal to 2020 dyne/cm2

In terms of Newton/square meter, shear stress is equal to

20*\frac{dyne}{cm^2}  (\frac{10^{-5}N}{1 dyne} )*(\frac{1 cm^2}{10^{-4}*m^2} )\\= 2.0 N/m2

Shear modulus is equal to shear stress divided by shear strain

Thus, shear modulus is equal to

= \frac{2.0}{0.008} \\= 250N/m2

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