Question

why cant volume of an object be negative?

Answer 1

It's more like your weight, or height.. it can't be negative.

Answer 2

umm and why cant weight and height be negative?

Answer 3

can your height be under the ground? below sea level?

Answer 4

It has to do with absolute value quantities, so volume can decrease, but it can't be negative. It's like time. You can't have time as a negative value.

Answer 5

yes my height can be under the ground, as height is not relative the unit used to measure height is relative.

Answer 6

ok. It can be underground, but if you're 5 meters underground, what's your height?

Answer 7

(-) negative sign here only indicates direction

Answer 8

i will still be 5feet 9inches which is my height above the ground. an what if I am in space where there no ground, no up, no down.

Answer 9

as I said, - is only for direction.

Answer 10

volume on the (same hand) can't be negative.. well, I can't answer that in physics terms, but it's common sense.. like time. You can't have negative time.

Answer 11

Thanks for your question. Scientifically, volume basically depends on three dimension length, breadth and height. All these are scalar quantities and non-negative. Even if your height is under the ground, it will be measured how long are you under the ground which is again a non-negative quantity. Definitionally, volume is the space occupied. Can anything occupy negative space. It can be void or a positive quantity.
I hope it solves your query.
Thanks.
@Arnab_Chatterjee

Answer 12

yes and directions also are relative in space where there no absolute thing to compare to. you cannnot simply use a negative sign.

Answer 13

Scalar quantity, that's the word I was looking for. his reply makes sense.

Answer 14

well yes, this solves my query, basically this was question asked to me by my teacher my answer fetched me 100 bugs. my answer was +volume is the space occupied by an object in this universe so negative volume will signify space that an object an give to this universe which means that object has to be bigger than this universe, Can my answer also be said correct.

Answer 15

Well said @Rdx . Well said.

Answer 16

Yeah, it make sense :) @Rdx

Answer 17

thanks I'LL share my 100 bugs with you guys

Answer 18

I have a question involving vectors and trig, will you guys be able to help me out? It's attached.. I'd really appreciate that.

Answer 19

sure @Boushra

Answer 20

Answer:
No.

All matter has a positive mass (<I edited that to have bold, as I would like to state out, what about anti-matter, or for example, anti-hydrogen, does that also have a Positive density just because it has a "positive" mass? - Like a table is positive mass, but a table made out of the anti requirements, could then be a negative density?), as well as a positive volume.

Thus, any mass/volume calculations would also be positive.

Keep in mind that air near sea level has a density of between 1.2 and 1.3 kg/m3 depending on the temperature.

Some substances will have lower densities than air, for example:
The density of Helium at 1 ATM, 0°C is about 0.178 kg/m3
The density of hydrogen at 1 ATM 0°C is about 0.090 kg/m3

Thus, balloons filled with hydrogen or helium will float in air.

In space, the density is usually measured in particles / cubic meter, and is very low.

A perfect vacuum would have a density of 0.

Answer 21

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Answer 22

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Answer 23

now i break 9km/hr in ts components