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Straight members, pin joints, loads only at joints. Which is TRUE?
● A. Axial, shear, bending
● B. Axial & shear
● C. Axial only
● D. Bending only
● C. Axial only
Load applied at midpoint of a truss member. Internal forces?
● A. Axial only
● B. Axial & bending
● C. Shear only
● D. Bending only
● B. Axial & bending
Replacing pin joints with rigid joints creates a:
● A. Mechanism
● B. Cable system
● C. Frame
● D. Zero-force system
● C. Frame
Which statement about zero-force members is TRUE?
● A. Carry bending
● B. Removable always
● C. Zero force for given loading
● D. Compression-only
● C. Zero force for given loading
A two-force member must have forces that are:
● A. Perpendicular
● B. Collinear
● C. Multiple
● D. At mid-span
● B. Collinear
Which cannot use method of joints?
● A. Joint-loaded truss
● B. Distributed load on member
● C. Zero-force members
● D. Pin & roller supports
● B. Distributed load on member
Why no bending in truss members?
● A. Slender members
● B. Elastic material
● C. No moment resistance at joints
● D. Small loads
● C. No moment resistance at joints
Best explanation for axial-only behavior?
● A. Short members
● B. Symmetry
● C. Pins prevent moment transfer
● D. Indeterminate
● C. Pins prevent moment transfer
Pin-jointed structure with one fixed support member experiences:
● A. Axial only
● B. Axial & bending
● C. Shear only
● D. No force
● B. Axial & bending
MOST critical condition for axial-only force?
● A. Straight members
● B. Loads at joints
● C. Symmetry
● D. Pinned supports
● B. Loads at joints