A person pushes a box on a rough horizontal plateform surface. He applies a force 200N over a distance of 15m. Thereafter, he gets progressively tired and his applied force reduces lineraly with distance to 100N. The total distance through which the box has been moved is 30m. What is the work done by the person during the total movement of the box?
Option: 1 3280 J
Option: 2 2780 J
Option: 3 5960 J
Option: 4 5250 J

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