Originally Posted by beier
Ahh. Very nice! I was just wondering about that today! Somebody had explained that less rotational mass decreases moment of inertia. I thought, well that's wonderful but your car weighs so much more it shouldn't make a noticeable difference. This comparison helps - thanks good sir!
Yeah it's like the difference of a merry-go-round with all the people closer to the center. The merry-go-round can start-up faster than with all the people on the outside of the merry-go-round.
Takes more energy and time to get up to speed with people on the outside.
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