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Example 2-26-02 - Problem Censider the crane shewn in...

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Unformatted text preview: Problem Censider the crane shewn in Problem 5.138. The hydraulic aetuater BC exerts a fierce at C that points aleng the line frem 3 ID C. Treat A as a pin suppert. The mass ef the suspended lead is 60-00 kg. If the angle a! = 35". what are [he reactiens at A? W = mg = {EIIKKJJ [9.3” W: 583601” Soluflon: 3C1 :3 31 + 21 — 21:21:93 am 35' EC III LTE In Iinafi' tiny _ 3c ' a yhgfl y = 104.9" (1“?. — r} a 1'5. I“I 2F; :1”; +Fgccmflflfl' — r} Err =1“.- +Fac5inflfifl' — fl— W=u EMA=TAC3FJC +rmanfl with: n“;- = 3:951:35' H + 3 iin-IIJIS‘ I} W.- mx = {60003 {9.3M rm = icosijfifi‘fi + 5 sinififi'fl w=saaww Fl:- =- Fgc GDE{T5.1 In“ + F3;- sinfl’il I'll W - —[6£W}{9.El)j N Solving fur III: unlumm we get Ax = —32.[H ILH' Ar 3 —fil.158 EN Fl: = 12433- EN ...
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