4/29/2017 Ch 05 HW Part A Find Fin, the constant 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 will then fall off of the opposite end of the board). Express your answer In terms of some or all of the variables u , mi, my, o, and L. Do not Include fr in your answer. You did not open hints for this part. ANSWER Fmin =