Card 16 / 36: Which of the following statements is true for a two-dimensional statically determinate truss? I. There are at most two unknown forces at a pin joint. II. The forces in the truss are independent of material properties. III. Joint displacements need not be considered to calculate the internal forces.
A)
Both I and II
B)
II only
C)
I, II, and III
D)
Both II and III
E)
Both I and III
Answer:
C) I, II, and III
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