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Physics, 23.10.2019 18:00 saintsfan2004
In a european country a bathroom scale displays its reading in kilograms. when a man stands on this scale, it reads 98.9 kg. when he pulls down on a chin-up bar installed over the scale, the reading decreases to 82.2 kg. what is the magnitude of the force he exerts on the chin-up bar?
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