5.22 by Paul is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

# 5.22

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5.22 by Paul is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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why does the m*g*r*theta term no get included in the omega n calculation as it is in 19 and 20. here you have it as a forcing function.

You are correct! I failed to bring weight term to the left. The natural frequency should be:

I agree with Joseph. Shouldn't we have applied the small angle theorem to the m*g*rbar*sin(theta) term and included it in the omega n calculation?

Yes! See the comment above.

This is problem 5.26 in the new edition