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Question 3 The state of plane stress at a point on the surface of a structural element is represented on an unrotated element

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Given Data lopsi I hopsi , gopsi Tx = gopsi Ty= -lopsi exy = 4opsi Salution Find principle angles (op & Opz) = ? stan (2001)for (Oepal = ? We know that angle differe nu blw angle differenu b/w (Op, f Ops is goo SO Ope - Op1 0 m2 U go+19.3299 Opz = 1

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