An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is uniform, 5.5 m long, and supported at each end by vertical posts
(a) What is the magnitude of the total force provided by both posts?
(b) With what force does the post that is closest to the painter push upward on the board?
(a) 1100 N (b) 710 N
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