Problem *3.129 [Difficulty: 4] Discussion: A certain minimum angle of inclination would be needed to overcome static friction and start the container into motion down the incline. Once the container is in motion, the retarding force would be provided by sliding (dynamic) friction. the coefficient of dynamic friction usually is smaller than the static friction coefficient. Thus the container would continue to accelerate as it moved down the incline. This acceleration would procide a non-zero slope to the free surface of the liquid in the container. In principle the slope could be measured and the coefficent of dynamic friction calculated. In practice several problems would arise. To calculate dynamic friction coefficient one must assume the liquid moves as a solid body, i.e., that there is no sloshing. This condition could only be achieved if there were nminimum initial disturbance and the sliding distance were long.
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This note was uploaded on 10/19/2011 for the course EGN 3353C taught by Professor Lear during the Fall '07 term at University of Florida.