Homework Help: physics

Posted by Jamison on Wednesday, January 2, 2013 at 5:13pm.

Two people are holding up the ends of a 4.40-kg wooden board that is l = 1.60 m long. A m = 7.00-kg box sits on the board, 0.50 m from one end, as shown below. What forces do the two people exert?

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