On 24/08/2020 18:32, Chris Hogg wrote:
On Mon, 24 Aug 2020 17:46:55 +0100, williamwright
wrote:

On 24/08/2020 17:39, Chris Hogg wrote:

Bill might just as well ask why a mass travelling in a straight line
stores energy.


Why does it?

Bill

Why do two masses attract each other? Why do magnets attract each
other? Why do the four fundamental forces exist and how do they work?
Some things just are; they're the basics of the Universe.

God did it! :-)

If there's really no better explanation you don't need the smiley.

Bill