Centimeters 6366

The weight of the pupil and the chair is 52 kg. The area of the contact surfaces of the chair with the floor is 12 square centimeters. What pressure does the chair put on the floor?

Correct answer:

p =  425100 Pa

Step-by-step explanation:

m=52 kg S=12 cm2 m2=12:10000  m2=0.0012 m2 g=9.81 m/s2  F=m g=52 9.81=2512753=510.12 N p=F/S=510.12/0.0012=425100 Pa

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