Part A A small box of mass m is siting on a board of mass ma and length L (Elgure 1). The board rests on a frictionless horizontal surtace. The coefticient of static friction between the board and the box is The coefficient of kinetic triction between the board and the box is, as usual, less than Find Fain, the conatant force with the least magnitude that must be applied to the board in order to pull the board out from under the the box (which wid then fall off of the opposite end of the board). Express your answer in terms of some or all of the varlatbles . m, mg. 9, and L. Do not include / in your answer. Throughout the problem, use g for the magnitude of the tree-tail acceleration. In the hints, use / for the magnitude of the ftriction force between the board and the • View Avallable Hinta) box Fam Submit Figure
Part A A small box of mass m is siting on a board of mass ma and length L (Elgure 1). The board rests on a frictionless horizontal surtace. The coefticient of static friction between the board and the box is The coefficient of kinetic triction between the board and the box is, as usual, less than Find Fain, the conatant force with the least magnitude that must be applied to the board in order to pull the board out from under the the box (which wid then fall off of the opposite end of the board). Express your answer in terms of some or all of the varlatbles . m, mg. 9, and L. Do not include / in your answer. Throughout the problem, use g for the magnitude of the tree-tail acceleration. In the hints, use / for the magnitude of the ftriction force between the board and the • View Avallable Hinta) box Fam Submit Figure
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