Question: A 2 5 mm diameter shaft is pulled through a cylindrical bearing, as shown in Fig. 3 . SAE 5 0 oil, which has a

A 25 mm diameter shaft is pulled through a cylindrical bearing, as shown in Fig. 3.
SAE 50 oil, which has a dynamic viscosity of =0.63Pas, fills the 0.3 mm gap
between the shaft and bearing. Determine the force P required to pull the shaft at
a velocity of 2ms. Assume that the velocity distribution of the fluid in the gap is
linear.
FIG. 3.
A 2 5 mm diameter shaft is pulled through a

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