.
(1) The pole helps hold equilibrium.
(2) (a) rotation: washer; dish-washer; the minute and hour hands in my wrist watch.
Wind electric generator (although it is not in my house . . . )
(b) rotational equilibrium: a bike.
(c) rotational inertia: a bike, again.
---------------
On " how a pole helps a high-wire artist to hold equilibrium ", see this Internet article
https://www.scienceabc.com/eyeopeners/why-tightrope-walkers-carry-a-polebar-during-their-performance.html
See also this Wikipedia article
https://en.wikipedia.org/wiki/Tightrope_walking
which has many references that might be of help to satisfy your curiosity.