Question: == 4.27 Determine the reactions at A and B when (a) a = 0, (b) a = 90, (c) a = 30. 12 in.

== 4.27 Determine the reactions at A and B when (a) a

== 4.27 Determine the reactions at A and B when (a) a = 0, (b) a = 90, (c) a = 30. 12 in. A Fig. P4.27 75 lb 10 in.- 10 in. B a

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