Question

A thin plate of area, A, is placed midway in a gap of height, h, filled with a liquid of viscosity, .

The same gap is now filled with another liquid of viscosity, , and the same plate is placed at a

distance of / from one wall. Experiments indicated that the same velocity, v, the force required

was the same. Prove that: = / ​

Answer 1

Answer:

Pull or push is called force