1.

A Newtonian fluid fills the clearance between a shaft and a sleeve. When a force of `800N` is applied to the shaft, parallel to the sleeve, the shaft attains a speed of `1.5cm//sec`. If a force of `2.4kN` is applied instead, the shaft would move with a speed ofA. `1.5cm//sec`B. `13.5cm//sec`C. `4.5cm//sec`D. None

Answer» Correct Answer - C
`Fpropv`
`(F_(2))/(F_(1))=(v_(2))/(v_(1))impliesv_(2)=((2400)/(800))xx1.5impliesv_(2)=4.5cm//s`


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