Question

a nail has (1/100cm²) area at the tip. The force of 1000N is applied on it . Calculate the pressure acting on the wall .​

Answer 1

pressure=force/area

area=1/100 cm²=(1/100)×10^-4 m²=10^-6 m²

$p = \frac{1000}{10 {}^{ - 6} } = 10 {}^{9} n.m {}^{-2} \\ = > p = 10 {}^{9} \: \: pascal$