Mechanical Properties of Fluids

Related Questions

• Water is moving with a speed of 5.18 m/s through a pipe with a cross-sectional area of 4.20 $cm^2$. The water gradually descends 9.66 m as the pipe increase in area to 7.60 $cm^2$. The speed of flow at the lower level is

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• A vertical U-tube of uniform inner cross section contains mercury in both sides of its arms. A glycerin (density = $1.3 g/cm^3$) column of length 10 cm is introduced into one of its arms. Oil of density $0.8 gm/cm^3$ is poured into the other arm until the upper surfaces of the oil and glycerin are in the same horizontal level. Find the length of the oil column, Density of mercury = $13.6 g/cm^3$

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• A drop of mercury of radius $2$ mm is split into $8$ identical droplets. Find the increase in surface energy. (Surface tension of mercury is $0.465\ J/{{m}^{2}}$)

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• A wooden stick 2m long is floating on the surface of water. The surface tension of water 0.07 N/m. By putting soap solution on one side of the sticks the surface tension is reduced to 0.06 N/m. The net force on the stick will be

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• A uniformly tapering vessel is filled with a liquid of density $900 kg/m^3$. The force that acts on the base of the vessel due to the liquid is $(g=10\,m{{s}^{-2}})$

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