Question

a brick weighing 20 n is kept on the ground with its 10cm by 5 cm face in contact with the ground .calculate pressure exerted

Answer 1

Answer:

2/5 pressure per unit

Explanation:

pressure =w/ar

here w=30n

ar=20×5= 60cm²

atq p=n/ar

so 20/50=2/5

= 0.4 pressure per unit.