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Technically, this is an incorrect statement in that kilograms are a measure of mass, not weight. However, you would be hard-pressed to find a doctor's office or a medical website without some reference to weight in kilograms.

Sara's weight on earth should be expressed as 539 Newtons. We get that by multiplying her mass (55kg) by the acceleration of gravity (9.8 m / s2).

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15y ago

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