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  1. en.wikipedia.org › wiki › WeightWeight - Wikipedia

    In science and engineering, the weight of an object, is the force acting on the object due to acceleration or gravity. [1] [2] [3] Some standard textbooks [4] define weight as a vector quantity, the gravitational force acting on the object. Others [5] [6] define weight as a scalar quantity, the magnitude of the gravitational force.

  2. A scientist named Ancel Keys first used the term body mass index in 1972. He wrote that governments should measure the BMI of adults to find out whether they are too fat or too thin. Calculation. To find somebody's BMI: measure their weight (body mass) in kilograms or pounds; measure their height in meters or inches

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