Question

The mass of a box is 500g. it's dimensions are 10cm x 4cm x 2cm side. Find the pressure exerted on the ground by it if it rests on: a) 10 x 4cm side. b) 4 x 2cm side​

Answer 1

Answer:

Explanation:

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

just substitute the values

hope it helps

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