Question

A cube of 54cm2 surface area 0.2kg mass is placed on a horizontal surface then what will be the pressure exerted by cube on horizontal surface

Answer 1

Answer:

p=146.969384567

Explanation:

volume =54 root 54

mass = 0.2 kg

density =0.27216552697

p=54*0.27216552697*10

p=146.969384567

Answer 2

$P=362.963\ Pa$ is the force exerted by the cube on a horizontal surface.

Explanation:

Given:

• area of the given cube, $a= 54\ cm^2$

• mass of the cube, $m=0.2\ kg$

Now, as we know that pressure is given as force per unit area.

Mathematically:

$P=\frac{F}{a}$

$P=\frac{m.g}{a}$

$P=\frac{0.2\times 9.8}{54\times 10^{-4}}$

$P=362.963\ Pa$

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TOPIC: pressure

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