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Why 1 kg of cotton appears heavier than 1 kg of iron in vacuum?
I don't know what "appears heavier" means. A kilogram of mass is a kilogram of mass. Appearance has nothing to do with it. The cotton is (probably) less dense than the iron and will occupy a larger volume, but that doesn't have anything to do with the vacuum part.
Why does same sized piece of wood is lighter than iron piece?
The wood is "lighter" (weighs less; has less mass) than the iron because of it's density. Iron has a greater density than wood, and density is defined as mass/volume, so having the same volume (size), the iron will have a greater mass.
Is the buoyant force of water on lead greater than that on iron?
That depends on the amounts, of course - what exactly you are comparing. The buoyant force depends on the volume. For a certain volume of lead, there will be the same buoyant force as for the same volume of iron. On the other hand, since lead has a greater density, the buoyant force on a certain amount of MASS of lead will be less, compared to iron, since the same mass of lead will use up less volume.
Which one is heavier 2kg 0f cotton or 1.5 kg of iron?
When we say that 1 kg of iron / cotton, we mean that it is the apparent weight. As they are already displacing air and by Archimedes' Principle they both are acted upon by the buoyant force directly proportional to the weight of air they displaced, and cotton displaces more air, therefore its actual weight is more than actual weight of iron.
Which is more denser one kg cottan or one kg sand?
Sand is denser than cotton, and density is an intensive property, so it doesn't matter if you have 1 kg or 1 g. Since density is mass/volume, the same mass of cotton will occupy a greater volume than that for sand, thus making the denominator larger, and the density less.
Why is steel denser then iron?
Density is mass divided by volume. If we assume the mass of the iron and the cotton is the same, you will find that the iron will occupy less space (less volume) than that of the cotton. The value of a mass divided by a small volume is higher than the value of the same mass divided by a larger volume. If we assume the volume of both the iron and the cotton is the same, you will also find that the mass of the iron will be higher than the mass of the cotton. The value of a large mass divided by a volume is larger than the value of a small mass divided by the same volume. In both assumptions, the value of mass divided by volume for the iron is higher than the value of mass divided by volume for the cotton. Since density is mass divided by volume, the density of iron is therefore higher than the density of cotton.
Why does a small volume of iron weigh more than a large ball of cotton?
Because iron is much more dense.
Why 1 kg of cotton appears heavier than 1 kg of iron in vacuum?
I don't know what "appears heavier" means. A kilogram of mass is a kilogram of mass. Appearance has nothing to do with it. The cotton is (probably) less dense than the iron and will occupy a larger volume, but that doesn't have anything to do with the vacuum part.
Why does same sized piece of wood is lighter than iron piece?
The wood is "lighter" (weighs less; has less mass) than the iron because of it's density. Iron has a greater density than wood, and density is defined as mass/volume, so having the same volume (size), the iron will have a greater mass.
10kg cotton weighs more or 10kg iron?
They both weigh exactly the same, namely 10kg, but 10kg of cotton would have considerably more volume than 10kg of iron.Both On the earth,weighs same. both will be having different weight ,if you consider cotton on earth and iron on the moon. W=M*g *Also , if you are having precision instrument and if you measure and ironblock and cotton[in loose],loose cotton weighs more (whatever be the amount due to entrapped air!)
Describe why one kg of iron in comparision to one kg of cotton takes less space?
Since one Kg of iron is much more dense (the weight is concentrated in a smaller area) than cotton, it takes up less space.
Which one is heavier 1kg iron or 1 kg cotton in vacuum?
The weight of a body in air is its apparent weight because the body body remains immersed in air . Therefore apparent weight of 1kg cotton and one kg iron is same .But volume of 1 kg cotton is greater than the volume of 1 iron
Convert 1030 milligrams to teaspoon?
Not possible to do unless you know what the 1030mg, or 1.03g, is of since grams are a weight measurement and teaspoons are a volume measurement. A gram of iron filings has a vastly different volume than a gram of cotton.
Is the buoyant force of water on lead greater than that on iron?
That depends on the amounts, of course - what exactly you are comparing. The buoyant force depends on the volume. For a certain volume of lead, there will be the same buoyant force as for the same volume of iron. On the other hand, since lead has a greater density, the buoyant force on a certain amount of MASS of lead will be less, compared to iron, since the same mass of lead will use up less volume.
Is the density of cotton more than density of iron?
No, cotton has a density of 1.54-1.56 g/cm³ while iron has a density of 7.874 g/cm³
Do 100% cotton mattress pads have better durability than cotton and polyester blends?
100% cotton is more durable than cotton and polyester blends because it less stretchy and therefore less likely to rip.
How does rust affect magnets?
Magnetism is the "lining up" of atoms. Iron atoms line up easily and tend to stay lined up. Rust is iron plus oxygen plus space: since there is less iron in a given volume of rust than in the same volume of solid iron, there are fewer iron atoms present to be polarized.
