Circulation of a 3d vector field

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SUMMARY

The discussion focuses on the circulation of the vector field v(x,y,z)=(-h(z)y,h(z)x,g(z)), where h and g are differentiable functions. Participants are tasked with demonstrating that the circulation around a closed curve C in the horizontal plane z=z0 is dependent solely on the area enclosed by C and the value of h(z0). Key steps include parameterizing the curve C and evaluating the line integral to reveal a relationship with the area formula.

PREREQUISITES
  • Understanding of vector fields and circulation
  • Knowledge of line integrals in multivariable calculus
  • Familiarity with parameterization of curves
  • Basic concepts of differentiable functions
NEXT STEPS
  • Learn about the Divergence Theorem and its applications in vector calculus
  • Study the process of parameterizing curves in three-dimensional space
  • Explore the relationship between circulation and area in vector fields
  • Investigate the properties of differentiable functions in the context of vector fields
USEFUL FOR

Students studying vector calculus, mathematicians interested in vector fields, and educators teaching concepts of circulation and area in three-dimensional space.

cummings12332
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Homework Statement


consider the vector field v(x,y,z)=(-h(z)y,h(z)x,g(z)) wherer h:R->R and g:R—>R are differentiable .Let C be a closed curve in the horizontal plane z=z0.show that the circulation of v around C depends only on the area of the reion enclosed by C in the given plane and h(Z0)


The Attempt at a Solution


i know it is simple,but i don't know how to star it. should i parameterize the curve c ? but how? could someone give me some details hints?
 
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cummings12332 said:

Homework Statement


consider the vector field v(x,y,z)=(-h(z)y,h(z)x,g(z)) wherer h:R->R and g:R—>R are differentiable .Let C be a closed curve in the horizontal plane z=z0.show that the circulation of v around C depends only on the area of the reion enclosed by C in the given plane and h(Z0)


The Attempt at a Solution


i know it is simple,but i don't know how to star it. should i parameterize the curve c ? but how? could someone give me some details hints?

Parameterize any way you like, say [x(t),y(t),z0], for t in [0,1]. Write down the line integral that defines "circulation" around your curve. Factor out constants. Do you recognize a formula for area in what's left?
 

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