3.2 Given a wedge-shaped stress element in the figures below and trigonometric identities, use equations of equilibrium
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3.2 Given a wedge-shaped stress element in the figures below and trigonometric identities, use equations of equilibrium
3.2 Given a wedge-shaped stress element in the figures below and trigonometric identities, use equations of equilibrium to derive the transformation equations for plane stress. (10) Ag sec9 A sec from σ, A A 5x tan Tamme (a) Stresses (b) Forces cos²0 =(1+cos 20), sin²0 =(1-cos²0), sin cos 0 = sin 20 (30)
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