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Calculate the force required to move a f...

Calculate the force required to move a flat metal plate of area `25cm^2` with a uniform velocity of `20 m//s` over the surface of a liquid 1 mm thick if the coefficient of viscosity (n) is `2 Ns//m^2`

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
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  14. Find the work done in blowing a soap bubble of radius 5cm.Surface tens...

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