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Physics

Answered

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?

Answer :

umohduke14 umohduke14

Today at 8:03 AM

Answer: 163.7 Newtons

Explanation:

F= ma

m=initial mass - final mass(whilst pulling on bar)

a =Acceleration due to gravity

F = 9.8 (98.9 - 82.2) = 163.7 N

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