Question

The area of contact of the brick with powdered lime when it is placed vertically is 0.02 m? calculate the pressure exerted by the brick of weight 30 N on the lime powder.​

Answer 1

The pressure exerted by the weight of the brick on the lime powder is 1500 Pa

Explanation:

Given:

The area of contact of brick = 0.02 m²

Force due to weight of the brick = 30 N

To find out:

The pressure exerted by the brick on the lime powder

Solution:

We know that

Pressure = Force/Area of contact

or, $P=\frac{F}{A}$

Here,

F = 30 N

A = 0.02 m²

Thus,

$P=\frac{30}{0.02}$ N/m²

$\implies P=1500$ Pa

Hope this answer is helpful.

Know More:

Q: A brick has a weight of 15 N. If the pressure it produces is 0.5 N/cm(2) what is the area in contact with the ground?

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