On 23/08/2020 05:15, Rod Speed wrote:
williamwright wrote
harry wrote

https://www.youtube.com/watch?v=_QLEERYS5C8

No-one seems to know why flywheels store energy. Not really.

Bull****
https://en.wikipedia.org/wiki/Flywheel#Physics

Now you see, in your haste to be rude, you've missed my point. Why does
a moving object have energy to give away? Moving relative to what? I
personally am travelling very very fast indeed relative to certain other
bodies in the universe, but I'm stationary relative to the Earth.

Bill