Questions
A metal plate of area is pulled horizontally with a velocity of 0.5 m/s on a 1 mm thick liquid layer. If the viscosity of liquid is the force required to pull the plate is
detailed solution
Correct option is D
(4)F=η A. dvdy=1.2 × 2 × 0.510−3 N=1200 NTalk to our academic expert!
Similar Questions
The coefficient of viscosity of a liquid can be defined from the equation where F is the tangential force between two liquid layers of area A. The layers are at a distance dy apart and du is the difference in their velocities.
Suitable unit for dv/dx is:
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