PROBLEMS 1. A sliding plate viscometer with a 1.0 mm gap is shown. The top plate

Question

PROBLEMS 1. A sliding plate viscometer with a 1.0 mm gap is shown. The top plate is moving to the right at a constant 4 m/s in response to a force of 4 N. The bottom plate is stationary. What is the viscosity of the fluid? (Assume a linear velocity distribution.) 2. For the curved surface indicated in the diagram, determine the magnitude and location for a) Resultant Horizontal Force b) the Resultant Vertical Force c) the Resultant Total Force L1 = 5 m, L2 = 3.00 m & gamma fluid = 12753 N/m^3. This arrangement extends 1.50 m into the plane of the page. 3. A river barge has the dimensions shown. What is the minimum width, W, required, in meters, for the barge to be stable in this configuration? CG is 20.0 ft above the bottom of the barge. (GammaH2O = 62.4 1bf/ft^3)

Explanation / Answer

1) F = mu*A* (u/y)

4 = mu* (0.1 * 0.05) * ( 4/0.001)

mu = 0.2 Pa - s

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