A very large plate, placed in a gap of fixed two infinite planes, is pulled up with a force Fand with a constant speed V as shown in the figure. On the left and right sides of the plate there are two different fluids. The side area of the plate is A and thickness of the plate is 0.1t. Weight of the plate is W. Distance between the left plane and the plate is x. The gap between two infinite plates is h=1.1t. Ratio = 4. Determine minimum force that can pull up the plate with constant speed V in terms of V, A. of viscosities of the fluids is , t and W? Neglect pressure changes and assume viscous flow. F Plate fluid 1 fluid 2 4 h=1.1t +0.1t W

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.