Question

a liquid at rest always exerts a normal force on the solid surface in contact with it explain​

Answer 1

Answer:

the pressure gradient is a surface force that acts on the sides of the element. That must be balanced by gravity force, or weight of the element, in the fluid at rest. In addition to gravity, a fluid in motion will have surface forces due to viscous stresses. Viscous forces, however, for a fluid at rest are zero.

Answer 2

the the pressure gradient a surface force that act on the sides of the element that must be balanced by gravity force or weight of the element in the fluid at rest.

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