A Board,with a Weight of 85 N and a Length

question 47

Multiple Choice

A board,with a weight of 85 N and a length of 6.0 m,is supported by two vertical ropes,as shown in the figure.Rope A is connected to one end of the board and rope B is connected a distance of 1.5 m from the other end of the board.A box with a weight of 25 N is placed on the board with its center of mass 1.0 m from rope A. What is the tension in rope A on the left?

• A)13 N
• B)25 N
• C)38 N
• D)48 N

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