If a fluid is contained in a vessel which is at rest, or moving with constant linear velocity, it is not affected by the motion of the vessel; but if the container is given a continuous acceleration, this will be transmitted to the fluid and affect the
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If a fluid is contained in a vessel which is at rest, or moving with constant linear
velocity, it is not affected by the motion of the vessel; but if the container is given a
continuous acceleration, this will be transmitted to the fluid and affect the pressure
distribution in it. Since the fluid remains at rest relative to the container, there is no relative
motion of the particles of the fluid and, therefore, no shear stresses, fluid pressure being
everywhere normal to the surface on which it acts. Under these conditions the fluid is said to
be in relative equilibrium.
velocity, it is not affected by the motion of the vessel; but if the container is given a
continuous acceleration, this will be transmitted to the fluid and affect the pressure
distribution in it. Since the fluid remains at rest relative to the container, there is no relative
motion of the particles of the fluid and, therefore, no shear stresses, fluid pressure being
everywhere normal to the surface on which it acts. Under these conditions the fluid is said to
be in relative equilibrium.
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