exam_1summer09solutions

# exam_1summer09solutions - Statics Exam #1 — Summer 2009...

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Unformatted text preview: Statics Exam #1 — Summer 2009 Name 1. (20 points) A crane is used to lift a concrete pipe weighing 5 kN into place. If d = 0.25 m, detennine the tension in cables AB and AC. 2. (20 points) Two cables are used to secure the overhang boom in position and support the 1500-N load. If the resultant force is directed along the boom from point A towards 0, determine the values of x and z for the coordinates of point C and the magnitude of the resultant force. Set F3 = 1610 N and Fc = 2400 N. W1 l1 \‘3 A L , gs'tr {fl/7 A v i '47 I, 50': (l/ “W. A; V L: g . J,‘ 33' {'7g: ¥i5 ’2 4., .4 . “ .m- ~-2-¥\7 ~- — ,g-w; 4 43% L f: , W - /751 AB . a > + _ i- //" ‘ F/ggl \ ’- V’) ‘ was, ’7’; '3 L '7 ’ f”: — 18% + [Nu r’ \2.N ’ 7. ﬂ',- ’ S/U “ 3”“ ' f7: 223?? /7' IV A {Sum . I CM 1* ( ~ my? "H'l ‘ f” ~4ng "u~7\" (Adi: ' r _’ T“ 4;; N JL’m-‘i 4'; 9x («a [‘7‘ J ' 7 '79: ﬂ‘ ff», was; 1/ i {/1/ ‘ '2 {U n 3. (20 points) Find the moment about point 0. 4. (20 points) A machine handle is connected to a shaﬁ ax B. Determine the moment produced by the 15 N force about point B. 5. (20 points) The 70-N force acts 011 the end of the pipe at B. Determine the angles 6 (0° :0 _<_ 380°) of the force that will produco maximum and minimum moments about point A. What are the magnitudes of these moments? A ’IlauO/z L? ‘ .7 d: 5213" ...
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## This note was uploaded on 07/31/2011 for the course ME 2301 taught by Professor Hanson during the Spring '10 term at Texas Tech.

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exam_1summer09solutions - Statics Exam #1 — Summer 2009...

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