gabys4354 gabys4354
  • 19-01-2021
  • Physics
contestada

2. A girl of weight 400 N has feet of area 100 cm2. What

pressure does she put on the ground ?

Respuesta :

isaacoranseola
isaacoranseola isaacoranseola
  • 21-01-2021

Answer:

Explanation:

Given:

Weight = 400N

Area = 100cm^2

If 1cm^2 = 1×10^-4m^2

Hence 100 cm^2 = 0.01m^2

Pressure = force/area .........1

Force = ma = mg which is also the weight of the girl. Hence substitute the values into 1

P = 400/0.01

P = 40000 N/m^2

The pressure she puts on the ground is 40000 N/m^2

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