Here's a breakdown:

* Pressure is defined as the force applied perpendicularly to a surface divided by the area over which the force is distributed.

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

* Units: The standard unit for pressure is the Pascal (Pa), which is equal to one Newton per square meter (N/m²).

Examples of Pressure:

* Atmospheric pressure: The weight of the air above us pressing down on the Earth's surface.

* Hydrostatic pressure: The pressure exerted by a fluid at rest, such as water in a pool.

* Blood pressure: The pressure of blood flowing through our arteries.

* Tire pressure: The pressure of air inside a tire.

Let me know if you have any other questions!