This is a way late response to this thread - but for the sake of anyone else that finds this thread to be interesting.
Consider if you have any \dot{\vec{r}} in the reference frame that is centered on the main pivot point and with the horizontal axis fixed to the large beam if {\vec{r}} is...
Homework Statement
This is a fairly general problem that came up while trying to model a system. Given a rotating disk and an inertially fixed object, how is the fictional coriolis force handled? For example, if there is a dot on the ground below a sheet of transparent plastic rotating at...