# What is Stress in Physics Terms

**Stress in Physics Terms**

When a body is made to change its length, volume or shape by the application of an external force, the opposing force per unit area is called Stress.

**Formula:**

Stress = Force / Area

o = F/A (Here o represents (Rho) do not write in your examination paper)

**Units**:

– S.I or M.K.S System – N/m2 or Pascal (Pa)

– C.G.S system – Dyne/cm2

– F.P.S or BE System – lb/ft2 and lb/in2

(Here 2 in all above systems shows square)

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