The terms weight and mass are often used incorrectly. Phrases like ‘a bag of sugar weighs 1 kg’ are not scientifically correct. This means that a 1 kg mass would be attracted to Earth by a ...
Body Mass Index (BMI) is a commonly used index of relative weight. BMI is calculated as weight (kilograms) divided by height (meters) squared. The index is often used to assess obesity in individuals.
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