Which statement best describes how pressure is measured in hydraulic systems?

In hydraulic systems, pressure is a critical parameter that defines the force exerted by the hydraulic fluid on the system components. The most common units for measuring this pressure are pounds per square inch (psi) or bars. These units signify the amount of force applied per unit area, which is crucial for understanding how hydraulic systems operate, as pressure dictates the movement and performance of hydraulic actuators, cylinders, and motors.

When dealing with hydraulic systems, it is important to use the appropriate units of measurement to ensure accuracy and reliability in operation. Therefore, representing pressure in psi or bar is a standard practice in the industry, reflecting its direct relation to the system's performance and efficiency.