Curvature Proof

  • Thread starter Baumer8993
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  • #1
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Homework Statement


This is part of the proof for curvature.

Prove V X A = k(ds/dt)3B

B is the the binormal vector. I have seen something in the proof with a T X N which I know is B.

Homework Equations


I have already proven

a(t) = (d2s/dt2)T + K(ds/dt)2N


The Attempt at a Solution


I have seen some things where you start with v(t), and take the derivative then take a cross product, but I am not sure if this is how my professor wants us to do it. He wants us to use the a(t) part from above to prove it.
 

Answers and Replies

  • #2
tiny-tim
Science Advisor
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Hi Baumer8993! :smile:

Isn't V = (ds/dt)T ? :confused:
 

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