What is the Dimensional Formula of Strain?

Strain

• Strain is defined as the configuration change relative to the initial configuration.

Strain = Change in dimension/ Original dimension = x/L

• Being the ratio of two similar values, strain has neither units nor dimensions. It lacks dimension.
• Its dimension can be expressed as M⁰L⁰T⁰

Strains are of three types

Longitudinal strain - It is the ratio of change in length to the original length.

Longitudinal strain = Δ l /l

Shearing strain - It is the ratio of change in angle to which it is turned to its distance from the fixed layer.

Shearing strain = Δ l /l

Volumetric strain - It is the ratio of change in volume to the original volume.

Volumetric strain = Δv/v

Summary:-

What is the Dimensional Formula of Strain? M⁰L⁰T⁰, M¹L^-1T^-2, M⁰L⁰T^-1, None of the above

M⁰L⁰T⁰ is the dimensional formula of strain. It is the ratio of change in dimension to original dimension.

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