Which member in a truss is typically a compression member?

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Multiple Choice

Which member in a truss is typically a compression member?

Explanation:
In a truss, members are defined by the type of axial load they carry. Struts are designed to resist axial compression; they push on joints to keep the structure from shortening along that member. Tension members, by contrast, pull joints toward each other. The outer chords and the web members can experience either tension or compression depending on how the load is applied, but the term “strut” is specifically tied to compression resistance. That’s why struts are the typical compression member in a truss.

In a truss, members are defined by the type of axial load they carry. Struts are designed to resist axial compression; they push on joints to keep the structure from shortening along that member. Tension members, by contrast, pull joints toward each other. The outer chords and the web members can experience either tension or compression depending on how the load is applied, but the term “strut” is specifically tied to compression resistance. That’s why struts are the typical compression member in a truss.

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