4) Three large plates are separated by thin layers of ethylene glycol (u = 1.61 x 10-2 s, p = 1.11329) and water, as shown in Figure. The top plate moves to the right at 2 %3| Pa . m/s. At what speed and in what direction must the bottom plate be moved to hold the center plate stationary? Copper plate Water (20°C) 2m/s 0.1 cm Plastic 0.2 cm plate Steel plate Ethylene glycol (20°C)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Three large plates are separated by thin layers of ethylene glycol ( u = 1.61 x 10-2 Pa : s , p = 1.11329 ) and water , as shown in Figure . The top plate moves to the right at 2 m / s . At what speed and in what direction must the bottom plate be moved to hold the center plate stationary ?
4) Three large plates are separated by thin layers of ethylene glycol (u
= 1.61 × 10-2 Pa ·
s, p = 1.1132) and water, as shown in Figure. The top plate moves to the right at 2
%3D
m/s. At what speed and in what direction must the bottom plate be moved to hold
the center plate stationary?
Copper plate
Water (20°C)
2m/s
0.1 cm
Plastic
0.2 cm
plate
Steel plate
Ethylene glycol (20°C)
Transcribed Image Text:4) Three large plates are separated by thin layers of ethylene glycol (u = 1.61 × 10-2 Pa · s, p = 1.1132) and water, as shown in Figure. The top plate moves to the right at 2 %3D m/s. At what speed and in what direction must the bottom plate be moved to hold the center plate stationary? Copper plate Water (20°C) 2m/s 0.1 cm Plastic 0.2 cm plate Steel plate Ethylene glycol (20°C)
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