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A metal plate of area 20 cm^2, is separa...

A metal plate of area 20 `cm^2`, is separated from a large plate by a layer of glycerine I mm thick. The coefficient of Viscosity of the glycerine is 20 poise. What is the honz?ntal force required to keep the plate moving with a velocity of 2 cm/s?
[poise=`10^(-1)N-s//m^2`]

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