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EM 319 - 2nd Quiz - Name ng ggturxou Session Problem 1 The...

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Unformatted text preview: Name: ng ggturxou Session: Problem 1: The equation for the elongation of an axially loaded member is given as: :PL £3.13 a. What conditions must be met in order to use this equation? {. AK‘MAI [anal P mas-{e L25, comely/4.1+ afar/L7 +L=L {at/7% 5—}— {‘Le. EM 2, 59 5 +12, ml ‘ y ”f- be. 'otJr-ld" 0 - Kmmbahi w M- gym A Mus aloe-5+ Al '7 ”Hz; [mj‘H/t b. What is the general form of the equation for elongation of an axially loaded member if these conditions cannot be met? L Pal? cl 2" a4 , 5 J 5 XEC’KJ Problem 2: The following assembly consists of two posts made from material 1 having a modulus of E1 and area A1, and a post made of material 2 having a modulus of E2 and area A2. If a central load P is applied to the rigid cap, determine the force in each post. Elf—v] {ZLLL Aral _ Ale»; E—I = Ala )1?» P (Ar/g?» Z” l TMW/ ZAIEf file-25 £2 l 7:?) = "P w Ax, 5; ) a ( ZIkrEr ”:22, P (32%)? _V—__..,_ .7, i—k‘, If it Name: Qulé Sow/0770A) Session: ifiiggfliflm 1531:: flZ/fl S i / Problem 1: Write the general form of the equation for the elongation of an axially loaded member. L flit-‘5 ‘5 9 J 54¢;an A70 Show that this equation can be reduced to the following assuming some specific conditions (make sure to state the conditions). (' Awful i044 F I6 camsfmk‘l’ aim/7 52E. 1%. (my AB 2. W39 E’M/f'fo Mai/i («Li/«Am ,4 I; wmg+m+ Aime/t7 “TL:— [flaw L. 1 —-— al ___ ~— ,— é civic. “J; ‘7" _ ‘ 01’}; .— TEE—,2: 0 Problem 2: The prismatic bar AB (modulus E and area A) is attached to rigid supports at both ends and it is axially loaded by a force P at an intermediate point C. Determine the reactions at A and B in terms of the dimensions given and P. $12}: ...
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