A solid uniform metal bar of diameter D mm and length l mm hangs vertically from its upper end. The density of the material is p N/mm3 and its modulus of elasticity is E N/mm2. The total extension of the rod due to its own weight would be (a) 2 E pl 2 E (b) pl (c) 4 E (d) 4 E
A solid uniform metal bar of diameter D mm and length l mm hangs vertically from its upper end. The density of the material is p N/mm3 and its modulus of elasticity is E N/mm2. The total extension of the rod due to its own weight would be (a) 2 E pl 2 E (b) pl (c) 4 E (d) 4 E
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A solid uniform metal bar of diameter D mm
and length l mm hangs vertically from its
upper end. The density of the material is
p N/mm3 and its modulus of elasticity is
E N/mm2. The total extension of the rod due
to its own weight would be
(a)
2 E
pl
(b)
2 E
pl
(c)
4 E
(d)
4 E](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c258265-d91c-42b0-8f54-a9d175d8e703%2F7de89f14-f809-4dbc-a04f-f56c9bd7e013%2Fpp74k25_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A solid uniform metal bar of diameter D mm
and length l mm hangs vertically from its
upper end. The density of the material is
p N/mm3 and its modulus of elasticity is
E N/mm2. The total extension of the rod due
to its own weight would be
(a)
2 E
pl
(b)
2 E
pl
(c)
4 E
(d)
4 E
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