Q3 The A-36 steel rod BC as shown in Figure Q3 has a diameter of 5X mm ( X is a last digit of your matrix number) and is used as a strut to support the beam. The yield strength of material is oy = 260 MPa. Take modulus of elasticity, E, = 210 GPa. (a) Determine the maximum intensity w of the uniform distributed load that can be applied to the beam without causing the strut to buckle. Take factor of safety = 3 against buckling. Check whether Euler's equation is appropriate or not. (b) Then, calculate the new maximum intensity w if end condition for strut both fixed.

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