Hydraulics & Fluid Mechanics
The line of action of the buoyant force acts through the centroid of the

displaced volume of the fluid
volume of the fluid vertically above the body
volume of the floating body
submerged body

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Hydraulics & Fluid Mechanics
The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is

zero at the mid plane and varies linearly with distance from mid plane
parabolic distribution across the section
constant over the cross section
zero at plates and increases linearly to midpoint

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