is being pulled over a fixed flat surface at a constant velocity of 45 cmsec An

# Is being pulled over a fixed flat surface at a

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is being pulled over a fixed flat surface at a constant velocity of 45 cm/sec. An oil film is of unknown viscosity separates the plate and the fixed surface by a distance of 0.1 cm. The force (T) required to pull the plate is measured to be 31.7 N. and the viscosity of the fluid is constant. Determine the absolute viscosity Abdelal
This is a force resulting from the fact that surface molecules form a stronger bond on the surface. Units are force per unit length Source : WWW Abdelal
Water is compressible, it is, in fact, 100 times more compressible than steel… the bulk modulus of elasticity is expressed as E b A typical value of E b = 2.2 X 10 9 N/m 2 is used. ly respective volume and pressure in changes are Vol and P Where Vol Vol b E P Abdelal
Material E b X 10 9 N/m 2 Rubber 0.01 to 0.1 Acrylic 3.2 Grey Cast Iron 130 Diamond 1220 Abdelal
The density of seawater is 1026 kg/m 3 at sea level. Determine the density of seawater on the ocean floor 2,000 m deep. Where the pressure is approximately 2.02 X10 7 N/m 2 Abdelal

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• Fall '14
• Dr. Qasem M. Abdelal

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