Lecture 20: Path independence and conservative fields

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Taught by OCW
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Lesson Description:

Learn about path independence and conservative fields, what they mean and how to find them.

Denis Auroux. 18.02 Multivariable Calculus, Fall 2007. (Massachusetts Institute of Technology: MIT OpenCourseWare). http://ocw.mit.edu (Accessed March 21, 2009). License: Creative Commons Attribution-Noncommercial-Share Alike.

Additional Resources:
Questions answered by this video:
  • What is path independence for gradient fields?
  • What are conservative fields, what do they look like, and how do you find them?
  • How do you find the line integral around a portion of a unit circle centered at the origin?
  • How can you avoid computing line integrals?
  • What is the Fundamental Theorem of Calculus for line integrals?
  • When is a field conservative or a path independent?
  • What are properties of a gradient field?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lecture on path independence and conservative fields help sum up the ideas from the previous lecture and push into a slightly different way of looking at a similar topic. Mostly, example problems are shown in this lecture. Sometimes, fields are path independent and conservative, and other times, they are not. This is discussed in some depth along with gradient fields.