nserv4 - The capillary rise of water and the capillary fall...

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The capillary rise of water and the capillary fall of mercury in a small-diameter glass tube. The forces acting on a liquid column that has risen in a tube due to the capillary effect.
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For non-wetting fluids like Mercury h<0
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Question 2 about sign of τ at +h and –h in the example question: Plane stress state in a continuum τ yx τ yx τ yx
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Fluid Statics The image cannot be displayed. Your computer may not have enough memory to open the image, or the image may have been corrupted. Restart your computer, and then open the file again. If the red x still appears, you may have to delete the image and then insert it again.
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Pressure In general, fluids are subject to both normal and shearing forces. However, only fluids with velocity gradients produce shearing forces. For fluids at rest, only normal forces exist. These normal forces in fluids are called pressure forces
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Pressure It is defined as where F is the normal force acting over the area A.
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In a wedge shaped stationary fluid element, there are pressure forces acting normal to
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