The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length.
A. Equal to
B. Half
C. One-third
D. Two-third
Answer: Option C
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A. Equal to
B. Less than
C. Greater than
D. None of these
A. $$\frac{{{\text{w}}l}}{6}$$
B. $$\frac{{{\text{w}}l}}{3}$$
C. $${\text{w}}l$$
D. $$\frac{{2{\text{w}}l}}{3}$$
The columns whose slenderness ratio is less than 80, are known as
A. Short columns
B. Long columns
C. Weak columns
D. Medium columns
Elongation of a conical bar under its own weight is = wl^2/6E.
Prismatic bar = wl^2/2E.