Hydraulics and Fluid Mechanics in ME
The center of pressure of a surface subjected to fluid pressure is the point

on the surface at which gravitational force acis
on the surface at which resultant pres-sure acts
at which all hydraulic forces meet
similar to metacentre

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Hydraulics and Fluid Mechanics in ME
The total head of a liquid particle in motion is equal to

Kinetic head - (pressure head + potential head)
Pressure head - (kinetic head + potential head)
Potential head - (pressure head + kinetic head)
Pressure head + kinetic head + potential head

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