Question

A brick is 30 CM long, 10cm wide and 10 CM thick. It weighs 24N and is lying on the ground.Find the pressure exerted by the brick on the ground.​

Answer 1

Answer:

If the brick is kept by it's length.

Then ,

the base area = 30cm = 0.3m

and force = 24N

Hence, the pressure = 24/0.3 = 80pa.

(as pressure = force/ area)

Similarly,

When it's kept by it's width

then, pressure = 24 / 0.1 = 240pa

and this would the same pressure when it's kept by it's thickness as both are same.

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