# Rectangular Beam : Finding Length Given Cross-Sectional Area, Logitudinal Compressive Force and Unit Strain

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Rectangular beam has cross sectional area of 2" x 4". The beam is subjected to a longitudinal compressive force of 6000 lbs. The unit strain is 1 x 10-6 ft/ft. What is the original length if the beam is compressed 1 x 10-6 ft?

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#### Solution Preview

Hello,

Please find the answer to your question below.

We know that

Strain = change in length /original length

or original length = change in length / ...

#### Solution Summary

Length of a Beam is found given Cross-Sectional Area, Logitudinal Compressive Force and Unit Strain.

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