Question

a cube of side 0.4m rest on floor ,the cube has mass 200kg calculate presure exerted

Answer 1

This is very simple.

F=Weight=mass × gravity
F=1960N
Area=0.4 x 0.4 =0.16m^2
Pressure=Force/Area
Put the values of force and area in the above equation, u will get ur pressure.

Hope u got that