- #1
alkaspeltzar
- 354
- 37
In the classic example of a person holding a spinning bike wheel, as they flip the wheel over, angular momentum is conserved by the person/chair spinning with 2x the angular momentum of the initial wheel. Not questioning that.
However, I thought ang momentum is always conserved about a point/axis? IF so, how do they add since the wheel and person are about two different axis?
See below, you can see they add, but are showing the angular momentum of the wheel adding to the angular mom. of the chair/person, which are two different axis.
IS it because the ang momentum of the wheel prior to flipping is the same at any axis? Looking for clarification on why they can add.
However, I thought ang momentum is always conserved about a point/axis? IF so, how do they add since the wheel and person are about two different axis?
See below, you can see they add, but are showing the angular momentum of the wheel adding to the angular mom. of the chair/person, which are two different axis.
IS it because the ang momentum of the wheel prior to flipping is the same at any axis? Looking for clarification on why they can add.