Quiz 1 Tuesday - I' I' ..oi---f n--+o., V L I I ? '2 ( d -+...

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-- -- EM 319 - Spring 2011 Quiz 1 30 Minutes A circular bar with diameter d and length L is load ed axially by a tensile for P. If the bar elongates by 8, what is the change in the cross sectional area? What is the magnitude of the load P? Leave your answers in terms of the problem paremeters and assume the bar has modulus of elasticy E and Poisson's ratio v.
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Unformatted text preview: I' I' ..oi---f n--+o., V L I I ? '2 ( d -+ ~ol J -vi L J +1-Ad -= d [/~ --0'\(-\) 'f 2X ;e() . <:! ct\) E-+2-L A A (Ir [( / I a' 2 , '2] L4 =-'Lf 0\ - Ct \7 L ) -0\-=0 i!T d L [I -2-;) t ~ ( ~ t Y- 0 +{ --~ ? tv\ &c y\,' i V\olt c~ r. ~-h-t-"'= ~[A -LA => L 3 E (TI4J 2 )-tl. . L \"'--. .. (I)-cl -z. E a +(-r== 4L...
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This note was uploaded on 03/06/2011 for the course EM 319 taught by Professor Kennethm.liechti during the Spring '08 term at University of Texas at Austin.

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