Which has more mass?

  1. Choice:

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  • Avatar of sw123 sw123 May 18, 2013 at 16:23 UTC - 0 likes

    @devilquak: Go

    Talking about joining a discussion late.


  • Avatar of devilquak devilquak Feb 08, 2013 at 08:43 UTC - 0 likes

    @HunterZ: Go

    Mass and weight are in fact not the same.

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  • Avatar of Dr_Proffesor Dr_Proffesor Sep 07, 2011 at 23:40 UTC - 0 likes

    they way the same so ucant be right for whichever u pick

  • Avatar of tomtentp tomtentp Jun 21, 2009 at 21:01 UTC - 1 like

    Having read the previous posts I came up with only one thing; We need a new form of communication.

    Every war , every misstreatment, every conflict is a result of this. Everything bad that a human can conjure is due to misunderstandings and the unability to see things from another persons perspective.

    Just look what an misinterpretation of one single word managed to evolve into. I wouldn't be suprised if the WW3 were to be fought over a similar or even more silly issue.

    For the sake of human kind, let's hope the future race of robots get better ways of communication than us. Or else we're screwed big time.

  • Avatar of Marcopilon Marcopilon Apr 21, 2009 at 23:18 UTC - 0 likes


    • p = m*g
    • g = 9.81 m.s^-2 = 9.81 N.kg^-1
    • p = is in N (Newton) = is the weigth
    • m = is in kg (kilogram) = is the mass

    Earth turns around the sun in an elliptical course, apples fall down to earth. 1 kg of lead weights more on the surface of earth than on the moon's

    • 1 kg bag of lead : m = 1 kg
    • 1 kg bag of feathers : m = 1kg

    Nothing is said about bags volume, lead and feathers physical state, and environmental paramaters. Even density is not involved. Maybe both are in fact in the form of a 1 µm powder, at 100 °K, at a 10^10 Pa pressure, in exactly same bags. Still then, the answer is neither.

    Correct answer cannot be submitted, and mass and weight are NOT the same thing. They are strongly different, and confusion comes from "history", idiots and lazy people.

    "Earth is flat, waters does not boil at 100 °C, black body does not emit radiation ..."

    Ignorance is humanity' great burden.

  • Avatar of mstanley2002 mstanley2002 Mar 17, 2009 at 04:18 UTC - 0 likes

    zohariel... for the sake of humanity. PLEASE PLEASE PLEASE stay in school

  • Avatar of HunterZ HunterZ Mar 16, 2009 at 15:23 UTC - 0 likes

    I agree with Valana_TB, kg is a measure of mass, not weight. The question also asks which has more mass, not which has more weight. Therefore it's a trick question that doesn't allow the correct answer to be submitted.

    Edit: Even if it were about weight, they'd still be the same, period. The only difference is density and thus volume. Mass and weight are the same.

  • Avatar of Zohariel Zohariel Mar 15, 2009 at 21:40 UTC - 0 likes

    Mikk is correct.

    (ASSUME the question is meant to be answered. That means one answer is right. Now, we ASSUME that "1 kg" is weight (what a scale would say when you put the bag on it), not mass, because that's the only way there can be a difference between the answers. And we ASSUME that the bags are packed in a way that makes sense, and not in a vacuum. Now, the only sane answer becomes: the bag of feathers has more mass.)

    Don't try to complicate it to death, assume it's a straight forward question with nothing hidden in the meanings.

    The question has to be looked at in two parts.

    First it says each bag holds 1kg. So yes we are dealing with weight.

    Second the question asks which 1kg bag has more Mass. Now it's Space.

    If you keep the question to it's simple basics it asks: Which takes up more Space?

    By the time you have your bag of feathers at 1kg, it is taking up a lot of SPACE. (at a guess the lead is about 5.5" cube and the feathers look like about 6 pillows, a feather pillow is around 6 ounces and there are about 36 ounces in a kg) Guesstamates here so please forgive inacuraces.

  • Avatar of Arrusy Arrusy Mar 15, 2009 at 15:48 UTC - 0 likes

    Im not voting its all 1kg i already know this one LOLZ

  • Avatar of fatespeaks fatespeaks Mar 15, 2009 at 13:17 UTC - 0 likes

    Thank you, to whoever posted this poll. It is absolutely brilliant.

    Certainly a third option of "neither" could of been included, but the resulting discussion wouldn't be nearly as stimulating.

    As I started typing, this response was supposed to be an argument for "Neither". But after reading the discussion and reviewing the "Use in commerce" section of http://en.wikipedia.org/wiki/Pound_(mass), I am convinced that the correct answer is feathers.

    Despite kg being the SI unit of mass, the "bag of" wording places this measurement in the context of commerce. In commercial terms, kg is treated as a unit of weight. If the feathers were vacuum packed and the lead somehow aerated, or if the measurement takes place in a universe with negative gravity, than this would need to be noted in the question.



Posted on
Mar 06, 2009
Last updated
Mar 06, 2009
Voted on
323 times