Question

please answer briefly it's urgent pls​

Answer 1

Given:-
Length = 20cm = 20x10^-2m = 0.2m
Breadth = 15cm = 15x10^-2m = 0.15m
Weight = 12N = Force (as units are same as that of Force)
To find:- Pressure.

Solution:-
Area of the book = (Length)x(breadth)
= 0.2x0.15 = 0.03m^2

Pressure = F/A
= 12/0.03
= 400N/m^2
0r 0.04N/cm^2

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