physics

A horizontal board weighing 227.0 N is supported at points A and B in the figure below. The plank serves as a platform for a painter, who weighs 553.0 N. Find the maximum distance D, such that the plank will not tip, no matter where the painter stands. (Let L = 3.80 m.)

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asked by Michael
  1. There is not "figure beloiw". Try setting the total of moments equal to zero. The weight of the board acts through the center of mass.

    posted by drwls

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