The assumption made in Euler's column theory is that
1. The column material obeys Hook's law.
2. The failure of column occurs due to buckling done.
3. The length of the column is very large compared to its cross-section dimensions.
Which of the statements given above are correct?
1
1 and 2
2
2 and 3
3
1 and 3
4
1, 2 and 3