Question

I know that the answer to this problem is (0.2237232293) and to begin it by making a force body diagram, but I need help setting up the equation(s). Thanks!


A box rest on an incline making a 30 angle with the horizontal. It is found that a parallel force to the incline of at least 245 N can prevent the box from sliding down the incline. If the weight of the box is 800 N, find the coefficient of static friction between the box and the incline.
Based on the information given, 245 N. is too low. Please check all of the given INFO for accuracy.


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