Consider a fluid flow between two parallel fixed plates 5 cm apart. The velocity distribution for the flow is given by u(y) = = 120 (0.05y y²) m/s where y is in meters. The fluid is water at 10°C. Calculate the magnitude of the shear stress (T) acting at the lower plate when y= 0. Use μ = 1.308 x 10-³N A. 0.0785 Pa B. 0.785 N/m² C. 7.85 N/m² . s/m², where t = μ D. 0.00785 Pa E. None of the above du dy 10)

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Consider a fluid flow between two parallel fixed plates 5 cm apart. The
velocity distribution for the flow is given by u(y) = 120 (0.05y
y²) m/s where y is in meters. The fluid is water at 10°C. Calculate
the magnitude of the shear stress (T) acting at the lower plate when y =
0. Use μ =
du
1.308 x 10-³Ns/m², where t = μ. dy
A. 0.0785 Pa
B. 0.785 N/m²
C. 7.85 N/m²
D. 0.00785 Pa
E. None of the above
10)
x
Transcribed Image Text:Consider a fluid flow between two parallel fixed plates 5 cm apart. The velocity distribution for the flow is given by u(y) = 120 (0.05y y²) m/s where y is in meters. The fluid is water at 10°C. Calculate the magnitude of the shear stress (T) acting at the lower plate when y = 0. Use μ = du 1.308 x 10-³Ns/m², where t = μ. dy A. 0.0785 Pa B. 0.785 N/m² C. 7.85 N/m² D. 0.00785 Pa E. None of the above 10) x
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