Question

A solid exerts Pressure of 20 Pa on a surface of 2 m2. Find it’s weight .

Answer 1

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Given,
Pressure P = 20 Pa
Area = 2 m²


--- Find Force acting on the solid
Force F = P×A

$\implies F = 20×2 = 40\: N$

--- Find weight of Solid
The weight of Solid = Force acting on it

$\implies Weight= 40\: N$

Answer 2

Weight of the solid is 40 Newton

Given: Pressure exerted by solid = 20pa, and surface area is 2m2.

To find: Weight of solid

Solution:

Pressure exerted by the solid is 20 pa.

Surface area is 2m2.

Pressure = $\frac{force }{area}$

$\frac{Force}{2}=20\\ force = 20*2=40N$

So the force can we written as F = mg where mg is the weight of the body.

Hence, the weight of the solid is 40N.

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