Find the magnitude of the force he exerts on the chin-up bar

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Reference no: EM13262712

In a European country a bathroom scale displays its reading in kilograms. When a man stands on this scale, it reads 86.1 kg. When he pulls down on a chin-up bar installed over the scale, the reading decreases to 77.1 kg. What is the magnitude of the force he exerts on the chin-up bar?

Reference no: EM13262712

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