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  • A person weighs 60 kg.The area under one foot of the person is 180 cm^2.find the pressure exerted on the ground by the person.

A person weighs 60 kg.The area under one foot of the person is 180 cm^2.find the pressure exerted on the ground by the person.

Answers (1)

The total area covered by both feet of the person is A =180 cm2x2= 360 cm2 = 360 × 10-4 m2.

The force exerted by person is his weight = W = mg = 60 × 10 N=600 N

Prressure, P=F/A=600/(360 x 10-4)=16666.67 Pa

 

Posted by

shubham.krishnan

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