Which of the following statements best represents an assumption of the limit state of collapse in axial compression according to structural engineering principles?
1
The strain at any point is proportional to its distance from the neutral axis.
2
The stress and strain at any point are independent of its distance from the neutral axis.
3
The stress at any point is proportional to its distance from the neutral axis.
4
The strain at any point is inversely proportional to its distance from the neutral axis.