Question

plz answer the circled question

Answer 1

Hi friend!

Q24. Answer:
Usually, the area of the surface in cm² is the atmospheric pressure in kgf.

$10cm \times 10cm = 100 {cm}^{2} \\ =100kgf \: weight \: of \: the \: air$

Q26. Answer:
$Pressure = \frac{Force}{Area} \\ P = \frac{F}{A}$

Excuse me, all the users who read this, pls $<b>DON'T REPORT</b>$
this answer to the moderators, and MODERATORS!, pls $<b>DON'T DELETE</b>$ this answer. I'm going to answer the remaining in after about an hour, I have got a very urgent work for now.