4. 1) For the frame structure shown below, the joints at points A, B, C, D and E are all pin connections. If force P1 =

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4 1 For The Frame Structure Shown Below The Joints At Points A B C D And E Are All Pin Connections If Force P1 1 (87.89 KiB) Viewed 46 times

4. 1) For the frame structure shown below, the joints at points A, B, C, D and E are all pin connections. If force P1 = 420 lb and force P2 = 360 lb, determine the magnitude of the support reaction (in lb) at pin A. Please pay attention: the numbers may change since they are randomized. Your answer must include 1 place after the decimal point. Pi 60° B F 4 ft E D 3 ft -3 ft P2