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truss_example_internalforces

truss_example_internalforces - EXAMPLE(A Draw the the body...

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Unformatted text preview: EXAMPLE (A) Draw the the: body diagram fer the truss below. (5 points) (B) Find the reaction forces at A and C {A is a pin joint and C is a, reflex) in terms of P and a. (5 points) (C) Find the forces in links AB, AD and BD in tenns of? and a .(6 points) (D) Identifir alf the members 111 the truss that are in tension. (5;) (E) The tensile members can summit a maximum tensile force. of 150011). Ifa = 10 ft, determine the greatest magnitude for the Ioad P that the truss can 5131313011. (hint; exploit symmetry) (9) .-F: .»P+C =— @ZM74: «“qude R0M® Afi PCj: ?':=l: W x 6?:W”’/fi 2M" mei— Q 0 $630 a 0 PM Zfi[email protected]‘m4‘l +72% miSos—o ”5 Fag! ZFr-o 190 @ p 0 _ O f T3 ,0 \ €9_ ’L wow ML #2: W W” W"; => I 4° C” 0 M 0 P [email protected] 1/ A @'@:WCDW _/§w,w/</ r320 t __ PM ; J3 «—-———~—~ «raw/9 2 '(m) M '1 9mm 0) W a “"4 7 a! mfll 72L wry/(A Dmfl/ tilt/72d?“ Fork/WM 3/ fie Jaw)? War/x 1w ‘ 5 elf—kw Do ml 72¢ we? 77cm“; 5%“qu ...
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