A 500-lb load hangs from three cables of equal length that are anchored at the points (-2,0,0), (1,31/2,0), and (1,-31/2,0). The load is located at (0,0,-2*151/2). Find the vectors describing the forces on the cables due to the load. What is the vector describing the force on the cable anchored at (-2,0,0)?

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