Answer: The pressure on the circular body is 5N/m²
Explanation:
Given a force(F) of 31.4N is applied on a circular body
Then, F=31.4N
Given Diameter = 200cm
On converting it from CGS unit to SI unit, we get :
[tex]diameter=\frac{200}{100}m=2m[/tex]
We know, [tex]Pressure(P)=\frac{Force(F)}{Area(A)}[/tex]
Now,
[tex]A=2\pi r = (2r)*\pi[/tex]
Now 2r is the diameter, so putting the value of the diameter in the above formula we get,
[tex]A = 2\pi[/tex]
So, [tex]P=\frac{F}{A}[/tex]
[tex]P=\frac{31.4}{2\pi } N/m^{2}[/tex]
[tex]P=\frac{15.7}{3.14} Nm^{-2} \\\\P=5 Nm^{-2}[/tex]
So the pressure on the circular body is 5N/m²