Hydraulics & Fluid Mechanics
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of

4.6 M
4.8 M
4.2 M
4.0 M

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Hydraulics & Fluid Mechanics
Fluid is a substance that

has the same shear stress.at a point regardless of its motion
always expands until it fills any container
cannot be subjected to shear forces
cannot remain at rest under action of any shear force

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