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5 answers

Mass is an inherent property of an object. The object's weight is its mass, multiplied by the acceleration it is experiencing.

The generic formula relating force, mass, and acceleration is:
F = m*a

The formula relating weight (a force), mass, and gravity (an acceleration) is:
W = m*g

Most of the time, the acceleration we're considering is just Earth's gravity (9.8 meters/second^2).

2007-12-03 09:55:57 · answer #1 · answered by lithiumdeuteride 7 · 0 0

I don't think there really isn't any relationship between the two. Even though it may seem like a greater mass yield a greater weight, weight is simply a measurement of the amount of gravitational pull on an object, which changes with each planet, hence different weights on other planets.

2007-12-03 17:57:00 · answer #2 · answered by m173627 5 · 0 0

Mass - the amount of stuff in an object.
Weight -- the force that earth pulls down on the object.
So for anyone here on the surface of planet Earth, they seem to be the same because one is directionally proportional to the other.
So if you change planets, or move up or down from the surface, the weight will change.

By the way, my definition of mass = "the amount of stuff in an object" is exactlly the way my chemistry instructor explained it -- word for word.

2007-12-03 17:59:09 · answer #3 · answered by Clueless Dick 6 · 0 0

Briefly?

There is no difference.


Less Briefly ... weight = mass x gravity

Mass is a measure of an object's inertia and how much matter it contains. An object that weights 1kg on earth would weigh one sixth of that on the moon but its mass would not change.

2007-12-03 17:57:21 · answer #4 · answered by tara_848 2 · 0 1

Mass is the amount of stuff (matter) in something.

Weight measures the amount of "pull" or attraction that gravity has on that mass.

On the Moon, it would still have the same mass, but much less weight.

2007-12-03 17:58:00 · answer #5 · answered by SoCalJim 3 · 0 0

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