Question

A cubical block of weight 9.8 N with each side of 5 cm is lying on a table. The pressure exerted by the block on the table is a) 0.392 N/m² b) 39.2 N/m² c) 392 N/m² d) 3920 N/m²

Answer 1

a) 0.392 n/ m^2......

Answer 2

it's d) P = F/A = 9.8/ (0.05×0.05 )

= 3920 N/ m^2