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

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

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Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

total drag is zero
highest intensity of pressure occurs around the circumference at right angles to flow
lowest pressure intensity occurs at front stagnation point
lowest pressure intensity occurs at rear stagnation point

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