Understanding Pressure

Pressure is defined as force applied per unit area. The formula is:

* Pressure (P) = Force (F) / Area (A)

Calculation

* Force (F): 12 N

* Area (A): 1.2 m²

* Pressure (P) = 12 N / 1.2 m² = 10 N/m²

Answer: The pressure exerted by the piston is 10 N/m².

Important Note: The unit for pressure, N/m², is also known as a Pascal (Pa).