Question

What is the difference between stress and pressure?

Answer 1

Stress& pressure: Stress is the internal factor (force) operating across a cross-sectional region within such a substance, although pressure would be the force exerted per unit area commonly utilized inside a liquid.

Difference between stress and pressure:

Stress	Pressure
1.The internal resistive force to deformation per unit area would be described as stress.	1.The amount of force delivered per unit area is described as pressure.
2.The pressure will not be developed due to stress.	2.Stress will be developed due to pressure.
3.Stress can be either a positive or a negative force.	3.The pressure is always a positive force.
4.Pressure is exerted externally.	4.Stress is exerted internally.
5.Stress may be tensile, compressive, and shear.	5.The pressure would always be compressive.
6.The quantity of stress at different points throughout different directions varies.	6.The amount of pressure at a location remains constant in all directions.