Strain and Elastic Stress

Pressure Times Area Gives Force

A pressure force is checked as pressure multiplied by area. Exact arithmetic here means exact results for the stated model inputs; measured inputs still carry uncertainty and significant-figure limits.

highlighted = computed this step

Bind pressure and area

Pressure 6 Pa acts over area 3 square metres.

6 Pa3 square metres6\ \text{Pa}\quad3\ \text{square metres}
Pressure force ledgerPressure over an area gives a checked force.pressureareaforce

Pressure times area is force

The force is 18 N.

6⋅3=18 N6\cdot3=18\ \text{N}
Pressure force ledgerPressure over an area gives a checked force.pressureareaforce