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The formula is:

weight = mass x gravity.

On Earth, "gravity" is about 9.8 meters/second2, equivalent to 9.8 newton/kilogram. That means that each kilogram has a weight of 9.8 newton. On other planets, the "gravity" part will be different. For example, on Mars, the gravity is about 3.7 newton/kilogram. Thus, a man with a mass of 100 kilogram (that's well above the average, but simplifies calculations...) would weigh about 980 newton on Earth, and about 370 newton on Mars.

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11y ago
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Q: How does mass affect the weight of somebodies weight on other planets?
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