The pressure is a physical quantity that measures the projection of the force in perpendicular direction per unit area, and serves to characterize how a certain resulting force is applied on a line. Mathematically it can be described as,
[tex]P = \frac{F}{A}[/tex]
Where,
F= Force
A = Area
If we replace our values we have that the pressure is
[tex]P = \frac{40}{0.2}[/tex]
[tex]P = 1000N/m^2[/tex]
[tex]P = 1000Pa = 1kPa[/tex]
Therefore the pressure exerted on the disk is 1kPa
Answer: pressure = 1000N/m^2 = 1 kPa
Explanation:
Pressure is the force applied per unit area
P = force/area = F/A
Given;
Force = 40 N
Length = 20 cm = 0.2m
Area of a square = L^2 = 0.2^2 = 0.04m^2
Pressure = 40/0.04 = 1000N/m^2 = 1 kPa
