Mechanical Engineering - Strength of Materials - Discussion
Discussion Forum : Strength of Materials - Section 8 (Q.No. 20)
The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be
Discussion:5 comments Page 1 of 1.
Numankhan said: 5 years ago
Explain the answer please.
Avinash said: 5 years ago
For circular bar it is wl^2/2E.
Raju said: 5 years ago
The elongation of conicar bar under its own wt = 1/3 * elongation of the prismatic bar under its own wt ( i.e sp.wt *L^2/2E) where sp.wt = Density * g.
Divyansh said: 6 years ago
No, wl 2/6E is correct.
Sambhu jana said: 6 years ago
According to me, it is wl^2/2E.
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