Question

• Ex 2: A metallic block of mass
40 kg exerts a pressure of 20
N/m² on a flat surface.
Determine the area of contact
between the block and the
surface. (take g=10 N/kg)
I​

Answer 1

solution: mass(m) = 40kg

g= 10m/s²

pressure (p) = 20N/m²

p= mg/A

20= 40×10/A

A= 400/20= 20m²