Question
Asked Jan 27, 2020
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What is a plane curve’s principal normal vector? When is it defined? Which way does it point? Give an example.

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Expert Answer

Step 1

The principal unit normal vector for a smooth plane curve’s defined at a point

Calculus homework question answer, step 1, image 1
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Step 2

For example:

Calculate the principal unit normal (N) for the circular motion,

Calculus homework question answer, step 2, image 1
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Step 3

The magnitude of v is calculated...

Calculus homework question answer, step 3, image 1
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