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JEE Mains 04-Sep-2020 Shift 2 Solved Paper

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Question : 4

Total: 75

A person pushes a box on a rough horizontal platform surface. He applies a force of 200 N over a distance of 15 m. Thereafter, he getsprogressively tired and his applied force reduces linearly with distance of 100 N. The total distance through which the box has been moved is 30 m. What is the work done by the person during the total movement of the box?

5690 J
5250 J
3280 J
2780 J

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