Question

A plank 15, c, m,

15cm wide and 1, point, 5, m,

1.5m long is laid across a muddy path. What will be the pressure on the mud when I stand on the plank? (670 N)

Answer 1

Answer

Area A=$0.15\times1.5=0.225m$

the pressure on the mud is given by

$P=\frac{F}{A}=\frac{670}{0.225}=3KPa$