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) Frasec # Tan A TA 5A tan T (a) Stresses (b) Forces cos²0 = (1 + cos 20), sin²0 = (1-cos²0), sin cos 0 = =sin 20 Age (30)
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