Comments by "Taxtro" (@MrCmon113) on "Misconceptions About Falling Objects" video.

  1. The wise asses in the comment section probably haven't learned anything from the video. I'm actually happy that the people didn't know that objects accelerate equally down without air resistance, because they might actually have picked up WHY that is.
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  2. +0YouCanCallMeAl0 I really think he should have made the point that in spite of the similar shape of the balls, air resistance will have a different effect on them, because of, again, inertia. That would have deepened everyone's understanding and cleared misunderstandings of mechanics. But maybe it's good to stick with one point at a time.
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  3. +Max Webster When things are large and move slowly, it is much better to stick with Newtonian physics. To throw around curvature of spacetime is only confusing here.
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  4. +Shaheer Syed I think you have totally confused yourself here. When you glue the balls together you can treat it as object with double the gravitational mass and also double the inertia. Just like all of the single molecules are "glued" together. The important point here is the special relation between gravitational mass and inertia, which allows for this to happen.
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  5. +Özcan Yılmaz That mass doesn't matter for the acceleration in the drop is taught in school. Not necessarily quite why that is. Nor what interesting questions this poses. Why is inertia tied in such a way to gravity?
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  6. +Leeroy Kincaid I think you are confused about what "fundamental level" means. It is 100% correct on a fundamental level, but in practice other phenomena play a role, which he omitted.
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  7. +Murillo Ferraz Actually that's cutting edge physics. To my knowledge there is no reason why interial mass should equal gravitational mass.
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  8. +Sigma Octantis That's about air resistance. The air accelerates the heaver ball less upwards than the lighter one. I think air resistance and friction are a few of the main obstacles in understanding mechanics, so it's fair to discuss the whole thing without them at first.
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  9. +d.c. torres Well that's because you don't see moons falling down to earth usually. XD But yes, they would be accelerated the same.
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  10. +Tarek E The earth and the ball attract eachother. The earth and the moon attract eachother. In both cases the earth stays the same. The mass changes from ball to moon, but with it also the inertia. So the moon falls as fast as the ball.
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  11. +You're going to have a bad time "but they're the same shape and size so i would think that the air resistance they receive is the same" Correct! The air resistance is the same - with that I mean the force that the air puts on the balls. However the heavier ball gets accelerated less by the air, because of, again, inertia.
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  12. +Aadhar Tyagi I think you meant to write "heavier ball should come down faster", because your explanation is correct.
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  13. +Andile Mathebula That's not the important part.
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  14. +ofeko1997 You have to understand, though, that M means two completely different things on each side. It is astonishing that it comes out the same.
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  15. +Ανδρέας Τσούχλος Not because of it's density, but because of it's inertia again. The air resistance decelerates the smaller ball less than the heavier ball.
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  16. +CJ G No, it experiences an equal force towards them, but it is accelerated a lot less.
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