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Q)A space 2.5cm wide between two largeplane surfaces is filled with oil. Force Req'd to drag a very thin plate of area 0.5m2 just midway the surfaces at a speed of 0.5m/s is 1N.Find the cooficient of viscocity in kg-sec/m2.

Parashar Chatterjee , 14 Years ago
Grade 11
anser 1 Answers
kunal shrikrishna kasture

Last Activity: 14 Years ago

we can use newtons's formula to calculate coefficient of viscosity:-

let the coeff. of viscosity be s...

we have,

f(viscous force)=s(multiplied by)A(area)(dv/dx)

we get,

1=s.0.5.0.5/0.25

which gives ...

s=1.

please tell me if the solution is correct or not.

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