Vector analysis ...gradient, divergence, curl , Mathematics

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A body is constrained to move in a path y = 1+ x^2 and its motion is resisted by friction. The co-efficient of friction is 0.3. The body is acted on by a force F directed towards the origin with magnitude proportional to the distance r from the origin. Compute the work done when the body moves from (1,2) to (0,1).

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