Question

a person weighs 80kg. the area under one foot of the person is 180cm³. find the average pressure exerted on the gound by the person. take g = 10ms^-2.

Answer 1

mass of the person= 80kg

accn due to gravitation= 10ms^-2

force= mg

where.

m- mass

g= accn due to gravitation

F= 80kg*10ms^-2

F = 800kgms^-2 or N

Area= 180cm2 = 180 ×10^-4 m²

Pressure = force/area, put the values get the answer in N/m² or pascal.