QUESTION 4 The Figure below shows a rectangular horizontal cantilever beam (b= 18 mm and h= 30 mm), which is loaded with

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Question 4 The Figure Below Shows A Rectangular Horizontal Cantilever Beam B 18 Mm And H 30 Mm Which Is Loaded With 1 (149.57 KiB) Viewed 15 times

QUESTION 4 The Figure below shows a rectangular horizontal cantilever beam (b= 18 mm and h= 30 mm), which is loaded with a vertical downwards force of 1700 N at its free end, and with a horizontal force of 3900 N at its free end (direction away from the beam). The beam material modulus of elasticity is 200 GPa and the Poisson ratio is 0.3. 18 mm 5 mm 30 mm Strain rosette so Cantilever beam 1700 N 3900 N X 0.5 m 4.1 For the element at the distance of 0.5 m from its free end and 5 mm above the horizontal axis, determine: a) the normal stresses, Ox, Oy b) the in-plane shear stress, Txy c) the principal stresses, 01,02 d) the maximum out-plane shear stress, Tmax (5) (2) (2) (1) ) 4.2 Suppose a 0°/45°/90° (A/B/C) strain rosette is attached at this point, as shown above, with the stresses Ox 112 MPa, ay = 0 and Txy = 4.2 MPa , what should the strain readings on the gauges A, B, C (EQ, Eb, Ec) be? (5) = [15]