Question: A wide-flange member (W 10 ( 30) is compressed by axial loads that have a resultant P = 20 k acting at the point shown

A wide-flange member (W 10 ( 30) is compressed by axial loads that have a resultant P = 20 k acting at the point shown in the figure. The material is steel with modulus of elasticity E = 29,000 ksi.
Assuming pinned-end conditions, determine the maximum permissible length Lmax if the deflection is not to exceed 1/400th of the length.

P 20 k W 10 x 30

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