Understanding Vector Fields and Their Properties: Analyzing a Homework Statement

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SUMMARY

The discussion centers on the implications of a vector field F⃗ where the curl, denoted as ∇× F⃗, equals zero. The correct conclusion is that F can be expressed as the gradient of a scalar function, specifically F=∇ƒ, indicating that F is a conservative vector field. This conclusion is supported by the fundamental theorem of vector calculus, which states that a vector field with zero curl is conservative in simply connected domains.

PREREQUISITES
  • Understanding of vector calculus concepts, particularly curl and gradient.
  • Familiarity with conservative vector fields and their properties.
  • Knowledge of the fundamental theorem of vector calculus.
  • Basic understanding of scalar and vector fields.
NEXT STEPS
  • Study the properties of conservative vector fields in depth.
  • Learn about the fundamental theorem of line integrals.
  • Explore applications of Green's theorem in vector calculus.
  • Investigate the implications of curl in three-dimensional vector fields.
USEFUL FOR

Students studying vector calculus, educators teaching advanced mathematics, and professionals in physics or engineering fields who require a solid understanding of vector fields and their properties.

kritisk
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Homework Statement


Assume F⃗ is a vector field and ∇× F⃗ = 0 What can one conclude about F?

A. F=0
B. F=∇ƒ
C. F=∇*g
D. F=∇×g
E. Something else

Homework Equations



None

The Attempt at a Solution



I haven't really made a proper attemt at solving the problem since I'm confused. I though of curl f = 0 then F should be conservative but that doesn't always have to be the case. I also thought of Green's theorem but i think i'd be way of. I could really use a hint
 
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kritisk said:

Homework Statement


Assume F⃗ is a vector field and ∇× F⃗ = 0 What can one conclude about F?

A. F=0
B. F=∇ƒ
C. F=∇*g
D. F=∇×g
E. Something else

Homework Equations



None

The Attempt at a Solution



I though of curl f = 0 then F should be conservative but that doesn't always have to be the case.

Oh, but it does!
You should not have written curl f = 0. You should have written ∇ x F = 0.

So pick the right answer and justify it.
 

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