# The area of a mans foot is 80cm sqaure. How much pressure will the man exert on the ground,while standing ,if his weight is 80kgf?

2
Log in to add a comment

Log in to add a comment

two feet..so area becomes

area = 2*80 cm² = 160×10^-4 m²

pressure = (80*9.8)/(160×10^-4) = 9.8*10^4 Pa = 49 kPa

Area of 1 foot= 80X

Area of 2 feet=160X

Force=80kgf==80X9.8N

P=

P=4.9X10⁴ Pa

Area of 2 feet=160X

Force=80kgf==80X9.8N

P=

P=4.9X10⁴ Pa