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    I can do this question by taking moments about A but I dont get the same answer by taking moments about B.

    i.e. M(B): Clockwise = anticlockwise
    Ra x 0.8 = 60cos40 x 0.5 + 60sin40 x0.1
    Ra = 33.55
    vertically Ra x sin40 = 29.1N

    But taking moments about A gives vertical support as 50.5N

    Thanks in advance
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