A flat thin plate is dragged at a constant velocity of 4 m/s on the top of a 5 mm deep liquid layer of viscosity 20 centipoise. If the area of the plate is 1 m² find the drag force. Assume variation of velocity in the liquid to be

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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7. Aflat thin plate is dragged at a constant velocity
of 4 m/s on the top of a 5 mm deep liquid layer
of viscosity 20 centipoise. If the area of the plate
is 1 m² find the drag force.
Assume variation of velocity in the liquid to be
linear.
[Ans. 16 N]
Transcribed Image Text:7. Aflat thin plate is dragged at a constant velocity of 4 m/s on the top of a 5 mm deep liquid layer of viscosity 20 centipoise. If the area of the plate is 1 m² find the drag force. Assume variation of velocity in the liquid to be linear. [Ans. 16 N]
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