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Work done = area under F-x graph = area of trapezium OABC

1. 13.5 J
2. 10 J
3. 15 J
4. 20 J

Correct answer: 15 J

Solution

The work done is calculated as the area under the force (F) vs. displacement (x) graph. For a trapezium, the area is given by (1/2) × (sum of parallel sides) × height. Using the given values, the work done is 15 J.

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