Question

A brick having weight 30N is 21cm long,10cm wide and 10cm heigh.Tha face of the brick on the ground having dimensions 21cm and 6cm in contact with the ground.Find the pressure exerted on the ground by the face of the brick

Answer 1

Explanation:

hope it help

mark me as brain list

Answer 2

F= 60N

A= 5cm²

$= 5 \times \frac{1}{100} \times \frac{1}{100} = \frac{5}{10000} \\ 0.0005 {m}^{2}$

$P = \frac{F}{A} \\ = \frac{60N \times 100000}{5 {m}^{2} } \\ = 120000 \: N/ {m}^{2} = 12 \times {10}^{4} N/ {m}^{2} \\ 120000 \: Pa = 12 \times {10}^{4} Pa$

HOPE IT HELPS ❤️