The torsion of a helix Show that the torsion of the helix
Chapter 12, Problem 26E(choose chapter or problem)
The torsion of a helix Show that the torsion of the helix
\(r(t)=(a \cos t) i\ +\ (a \sin t) j\ +\ b t k, \quad a, b \geq 0\)
is \(\tau=b /\left(a^{2}\ +\ b^{2}\right)\). What is the largest value \(\tau\) can have for a given value of \({a}\)? Give reasons for your answer.
Equation Transcription:
Text Transcription:
r(t) = (a cos t)i + (a sin t)j + btk, a, b geq 0
tau = b/(a^2 + b^2)
tau
a
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