Question

Define pressure.
(b) Calculate the pressure exerted by a box of mass 8 Kg on the ground over an area of 2m2

(g = 9.8m/s2)

Answer 1

Answer:

Mass m = 8kg

g = 9.8 m/s^2

F = mg = 8 × 9.8 = 78.4 N

A = 2 m^2

Pressure P =F/A

P = 78.4/2 = 39.2 N/m^2