difference between mass and weight.
-Pihu Roy.
Answers
Answer:
Mass: The mass is essentially "how much stuff" is in an object.
Weight: If you consider an object interacting with the Earth, this force is called the weight.
Explanation:
Mass: If you could count up the number of protons, neutrons, and electrons in an object (which you probably can't), this would be a measure of the mass. The mass is essentially "how much stuff" is in an object. Yes, I know that's just a partial definition—but it's good enough for now. Common units for mass are the kilogram and the gram. If you insist on using silly imperial units, the unit for mass is the slug (true).
Weight: There is a gravitational interaction between objects that have mass. If you consider an object interacting with the Earth, this force is called the weight. The unit for weight is the Newton (same as for any other force). The pound is also a unit for weight.
Most humans on the surface of the Earth can get away with saying either "weight" or "mass" because they are proportional to each other. If you know the mass of something (m), then the weight (W) can be found as:
W = mg g = 9.8 N/kg
In this expression, g is the local gravitational field. The key word here is "local." This calculation of the gravitational force only works on the surface of the Earth. It doesn't work (at least not very well) for 100 kilometers above the surface of the Earth and it doesn't work on Mars. Only on the surface of the Earth is there a proportionality constant of 9.8 Newtons per kilogram. Since most humans live on the surface of the Earth, no one really complains about using "weight" and "mass" to basically mean the same thing.
Answer:
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Explanation:
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