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A square steel bar 20 mm on a side is subjected to an axial compressive load of 8 kN. The normal stress acting on plane 30? to the line action of the axial load will be

[A].	0.5 N/mm2	[B].	2.5 N/mm2
[C].	50 N/mm2	[D].	550 N/mm2

Answer: Option A

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