Question

A box has 30 kg mass. The surface area of the box is 150 meter square. Calculate the pressure exerted by the box on the floor.​

Answer 1

Answer:

Pressure=force/area

force=ma=mg=30×10=300N

pressure=300/150=2 Pa

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Answer 2

$\huge\mathbb\red{ANSWER}$

Givem

mass of object (m) = 30kg

surface aera on which boxed is kept (a) = 150m²

To Find

pressure exerted by box on floor

$\huge\color{brown}{p=\frac{f}{a}}$

so to find f

we know that acceleration due to gravity = 10m/s²

so

$\large\color{yellow}{f=ma}$

then

f = 30 x 10

f = 300N

by putting value in main formula

$p = \frac{300}{150} \\ \\ p = 2pa$

$\huge\color{green}{explantion}$

• 1st we have to find force in order to find pressure

• as we know box is kept on a plane so acceletion due to gravity = 10m/s²

• then after finding force we jave to put value of it in to p= f/a formula

• as we know SI unit of pressure is pascel

hope it helps you

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