The tensile stresses at a point across two mutually perpendicular plan – McqOptions

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1.	The tensile stresses at a point across two mutually perpendicular planes are 150 N/mm2 and 75 N/mm2. What is the normal stress on the plane inclined at 35° to the axis of the minor stresses?
A.	128.64 N/mm2
B.	125.33 N/mm2
C.	115 N/mm2
D.	120.50 N/mm2
Answer» C. 115 N/mm2

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