Question

The location of the centre of pressure over a surface immersed in a liquid is

Answer 1

at the middle of the water

Answer 2

Answer:

The location of the centre of pressure over a surface immersed in a liquid is below the centroid of the area.

Explanation:

• The hydrostatic forces create a system of parallel forces on a plane surface, and we frequently need to know how much force is present.
• The Center of Pressure is the location where the total hydrostatic force acts on the submerged surface.
• A location on the submerged surface where the hydrostatic pressure force acts is known as the centre of pressure.
• While an object's centre of gravity remains constant as you descend further into the fluid, the pressure gradient increases.
• The pressure centre thus always lies below the centroid of the area.
• The centre of pressure will be above the centroid because the magnitude of the varying pressure forces on the surface above the centroid is greater than the magnitude of the variable pressure forces on the surface below the centroid.

The centroid of the area is the location of the centre of pressure.

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