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A square metal plate 1.5m side and 1.2mm thick weighting 50N is to be lifted through a vertical cana gap has a specific gravity

A square metal plate 1.5m side and 1.2mm thick weighting 50N is to be lifted through a vertical cana gap has a specific gravity of 95 percent and viscosity of 2.5N.s/m. If the metal plate is to be lifted at a constant speed of 0.1 ms find the force and power required. gap at 25mm of infinite extent. The oil in air [F=144.53 N P=14 453 wi D1 4 T.

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