In a Nut Shell:
Common examples of structural members containing frame
elements are
beam structures, and
tools such as a wrench and a vise-grip.
Apply the conditions of
equilibrium to analyze
frames.
Note: Even if a structural element is supported
by pins on both ends, it may have a load
acting
between the ends of the element.
This structural member then will resist shear and
bending
in addition to tension and/or compression.
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