A board with a mass m 200 kg and a length of 400 m is, Ask an Expert

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A board, with a mass m = 20.0 kg and a length of 4.00 m, is supported by two identical vertical connected to the ends of the board, as shown in the figure. A box with a mass M = 50.0 kg is placed on the board with its center of mass at d = 1.00 m from rope A. What are the tensions in the two ropes?

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