Q. The elongation of a conical bar under its own weight is equal to (Solved)
1. that of a prismatic bar of the same length
2. one third that of a prismatic bar of the same length
3. One fourth that of a prismatic bar of the same length
4. one sixth that of a prismatic bar of the same length
5. None of the above
- b. one third that of a prismatic bar of the same length