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As shown in Fig. 1.12, a horizontal interface 0-0 exists between two immiscible liquids. The dynamic viscosity of these two liquids are 0.14 Pa s and 0.24 Pa s respectively. The thickness is d1 0.8 mm and d2  1.2 mm respectively. Assuming that the velocity gradient is linear. Find the force F required to push a bottom area A 1000 cm2 wood board to move with velocity v0 0.4 m/s along the surface?

As shown in Fig. 1.12, a horizontal interface 0-0 exists between two immiscible liquids. The dynamic viscosity of these two liquids are 0.14 Pa s and 0.24 Pa s respectively. The thickness is d1 0.8 mm and d2  1.2 mm respectively. Assuming that the velocity gradient is linear. Find the force F required to push a bottom area A 1000 cm2 wood board to move with velocity v0 0.4 m/s along the surface?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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As shown in Fig. 1.12, a horizontal interface 0-0 exists between two immiscible liquids. The dynamic viscosity of these two liquids are 0.14 Pa s
and 0.24 Pa s respectively. The thickness is d1 0.8 mm and d2 
1.2 mm respectively. Assuming that the velocity gradient is linear. Find the
force F required to push a bottom area A 1000 cm2 wood board to move
with velocity v0 0.4 m/s along the surface?

Fig. 1.12 Problem 1.5 F
Transcribed Image Text:Fig. 1.12 Problem 1.5 F
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