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Is weight and mass the same thing? Is 1 kg always 2.2 pounds? At the surface of the Earth, yes. On the moon, 1 kg would be about 0.7 pounds.
Weight is the effect of gravity on mass. In space, you have no (or very little) weight, but you still have the same mass. Astronauts in the ISS have no weight and can float around, but if they want to move themselves, they have to deal with inertia.
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Are the same tools used to measure weight and mass?
mass is measured with a balance comparing an unknown mass with an object of known mass. weight is not measeured with the same tools as mass.
Why will a person's mass never change whether they are on earth or on the moon?
Because mass is not the same as weight. Weight is mass times gravity so your weight will change if you are on the earth or moon but your mass will stay the same.
Is mass an accurate measure of weight?
Absolutely not. Mass and weight are two entirely different things. Every object has a mass which is a measure of the amount of matter that it contains. It is a property of the object and is essentially a constant. I say essentially because radioactive decay (and fusion is stars) can alter the mass of an object by converting some mass into energy or the other way around.Weight, on the other hand, is a measure of how that mass is affected by gravitational attraction. On the surface of the earth, a mass of one kilogram will have a weight of approximately 9.8 Newtons, but on the moon, the same kilogram will have a mass of only a sixth as much because the moon's gravity is so much weaker. On a neutron star, on the other hand, the same kilogram mass, would weight about 200 billion times as much as on earth. In outer space, it could be weightless.
Gram and milliliter are same thing?
No grmas are in weight. Ml is in measurements of liquids.
If an object has a mass of 70 kg and a weight of 686 N on Earth what would the object's mass and weight on Jupiter be?
Your mass is always the same.
