Question

Two bricks a nd b, each of mass 5 kg are placed in wet soil. Brick a rests on the 20cm *10cm base and brick b on 10*5 cm base

Answer 1

Answer:

By 1 kg wt = 10 N it means g = 10 m/s²

Pressure = Force / Area in contact with ground

= mg / A

1.

Pressure = (2.5 kg × 10 m/s²) / (10 cm × 5 cm × 10^-4 m²/cm²)

= 5000 pascals

= 5 kilo pascals

2.

Pressure = (2.5 kg × 10 m/s²) / (5 cm × 2 cm × 10^-4 m²/cm²)

= 25000 pascals

= 25 kilo pascals