When a bar of length l and diameter d is rigidly fixed at the upper en – McqOptions

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1.	When a bar of length l and diameter d is rigidly fixed at the upper end and hanging freely, then the total elongation produced in the bar due to its own weight is (where w = Weight per unit volume of the bar)
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» C. [C].

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