A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is
Options
A. 411 N mm
B. 511 N mm
C. 611 Nmm
D. 711 N mm
Correct Answer
611 Nmm
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