Keys and MOI - wipp assist

[Ed Sutton]

Don wrote
> I should think that the magnetics suffer from the inverse square law.
> Anyone know of a similar "ratio" for springs?
>
Don-

I believe the magnets are arranged in two pairs, one in front and one behind the
balance point.

As the rear (repelling) magnets move further apart, the front (attracting) magnets
move closer together, so that the combined forces are always equal.

Ed S.