1.

A solid uniform metal bar is hanging vertically from its upper end. Its elongation will be _________

A. Proportional to L and inversely proportional to D2
B. Proportional to L2 and inversely proportional to D
C. Proportional of U but independent of D
D. Proportional of L but independent of D
Answer» B. Proportional to L2 and inversely proportional to D


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