[Phys-L] Re: Pendulum problem

[betwys1 at SBCGLOBAL.NET (Brian Whatcott)]

At 09:37 PM 12/18/2004, you wrote:
> Suppose the bob of a simple pendulum (all the assumptions, small
> amplitude length of bob short compared to the rod's, etc.)  is a PM
> (collinear w/ the rod) immersed in a uniform field.  How will the
> resultant torque affect the pendulum?
>
> I have an idea *, but I'm interested in other's.
>
> If correct, quantitative.

I guess you believe the frequency goes with
1/(2pi*sqrt(L/(g+k.H)
for L  length,
g gravitational constant
k arbitrarry constant
H field strength


> bc
>
> I'll deal w/ the variations later, e.g. ferromagnetic bob, di/converging
> field, etc.


Brian Whatcott    Altus OK    Eureka!