## 5 thoughts on “5.22”

1. Joseph Mascari says:

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.

1. tutorpaul says:

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

2. Justin B says:

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?