2 tensile load of 100kN is suddenly applied to a rectangular bar of di – McqOptions

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1.	2 tensile load of 100kN is suddenly applied to a rectangular bar of dimension 2cmx4cm and length of 5m. What will be the strain energy absorbed in the bar if E=1×105 N/mm2?
A.	312.5 N-m
B.	314500 N-mm
C.	1250 N-m
D.	634 N-m
Answer» D.

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