Is Strain Dimensionless According to Dimensional Analysis?

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wakejosh

The quantity "strain" expressed in terms of the fundamental quantities (mass, length, time) is equivalent to?

isn't this dimensionless?

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physics girl phd

Yes it is unitless! Strain doesn't have units -- it's the change in length per unit length.

QuantumCrash

Absolutely. Use dimensional analysis if you have problems.