Curl & Line Integral of Vector Field: Calculations & Results

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SUMMARY

The discussion centers on the vector field F = -y/(x²+y²) i + x/(x²+y²) and its properties, specifically the curl and line integral over a unit circle centered at the origin. The calculated curl of the vector field is 0, while the line integral evaluates to 2π. This discrepancy raises questions about the application of Stokes' theorem, suggesting that the field's apparent rotation may not align with the mathematical results obtained.

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  • Understanding of vector fields and their representations
  • Familiarity with curl and line integrals in vector calculus
  • Knowledge of Stokes' theorem and its conditions
  • Proficiency in performing calculations involving polar coordinates
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peterpang1994
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Homework Statement


Given a vector field
F=-y/(x^2+y^2) i +x/(x^2 +y^2)
Calculate the curl of it the line integral of it in a unit circle centered at O


Homework Equations





The Attempt at a Solution


I calculated that the curl is 0 but the line integral is 2π. I don't think this field should have a zero curl as you can imagine that the field is rotating.
 
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Show your work. Just telling us your incorrect answers doesn't let us see where your mistakes are (if there are indeed any).

You might want to look more carefully at the requirements for applying Stoke's theorem.
 
Last edited:

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