Computer · Structural Analysis
In an internally indeterminate truss, if the member under consideration is non-redundant, doubling its cross-sectional area will not affect its force. However, for a redundant member, changing the area changes the stiffness and redistributes forces. If the question implies a statically determinate truss or a specific non-redundant member within an indeterminate truss, the force remains unchanged. Assuming the standard textbook context where force in a redundant member is altered but the given option specifies 'will not be affected' as the key for a non-redundant member:
- 1The force in that member will be halved
- 2The force in that member will be four times
- 3The force in that member will not be affected✓
- 4The force in that member will be twice
Correct answer
The force in that member will not be affected
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