A thin steel ruler having its cross-section of 0.0625 cm × 2.5 cm is – McqOptions

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1.	A thin steel ruler having its cross-section of 0.0625 cm × 2.5 cm is bent by couples applied at its ends so that its length l equal to 25 cm, when bent, as a circular are, subtends a central angle θ = 60°. Take E = 2 × 106 kg/cm2 The maximum stress induced in the ruler and the magnitude is
A.	2618 kg/cm2
B.	2512 kg/cm2
C.	2406 kg/cm2
D.	2301 kg/cm2
Answer» B. 2512 kg/cm2

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