Question

A 20 kg brick stands upright on the ground as shown. What is the pressure it exerts on the ground? 10cm x 20cm x 5cm

Answer 1

The pressure exerted by a brick on the ground

$$p=\frac{F}{A}=\frac{mg}{A}$$

$$p=\frac{20*9.8}{0.2*0.05}=19600\:\rm Pa$$