Question: The straight beam in Figure Q3 is loaded by a uniformly distributed force q = P/L and a concentrated force P at the end

The straight beam in Figure Q3 is loaded by a uniformly distributed

 

The straight beam in Figure Q3 is loaded by a uniformly distributed force q = P/L and a concentrated force P at the end of the cantilever section. a) Construct the shear force diagram for the beam. b) Construct the bending moment diagram for the beam. c) What is the value of the maximum bending moment between points A and B and what is the location where this maximum bending moment occurs? q=P/L [5 marks] d) If the beam has a rectangular cross section of dimensions b x h, find the value of P such that the bending stress does not exceed 120MPa. Numerical value given: b = 15 mm, h = 25 mm, L= 150 mm. 3L Figure Q3 [6 marks] L [4 marks] C [5 marks]

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