Question

The area of contact of the brick with powdered lime when it is placed vertically is 0.02 m²
calculate the pressure exerted by the brick of weight 30 N on the lime powder.​

Answer 1

Given,

Area = 0.02 m²

Force = 30 N

∴ Pressure = Force/Area

= 30/0.02 Pa

= 1500 Pa or, 1.5 kPa

I hope this helps.