Hydrostatic Equation:
Hydrostatic Balance
is when the net upwards force is equal to the downward force, requiring that
the balance of forces in the vertical…
The pressure at height,
z, is equal to the weight of the air in the vertical column of unit
cross-section lying about that level.
Hydrostatic Equilibrium
is when vertical pressure gradient force and the force of gravity are normally
of nearly equal value and operate in opposite directions when…
─ Gravitational force = vertical pressure gradient force in
magnitude à no vertical acceleration occurs
─ Gravitational force > vertical pressure gradient force à
downward motion
─ Gravitational force < vertical pressure gradient force à
updrafts can develop that are associated with powerful thunderstorms.
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