Quiz 3 Tues

# Quiz 3 Tues - by the load IÂ L-J 2~=O I r'2-r" I I...

This preview shows page 1. Sign up to view the full content.

\/~ Y -" Name: ___ ~ ____ ~ ____________ EM 319 - Spring 2011 Quiz 3 (30 Minutes) 8 - ' P The tnlSS ABC shown in the figu re is subjected to a horizontal load Pat jOinL B. The two bars are identical with cross-sectional area A and modulus of elasticity E. II ~\ (a) Determine the strain energy U of t he truss if the angle f3 = 60¢. ~ f3/ \\ ,,J \p (b) Delennille the horiwntal displacem ent 15 8 of jOint B by equating thc strain AI~--L ~, ~,\~ energy of the truss to the work done
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: by the load. IÂ· L--J 2~=O I ? '\ r:. . (?---+ '2 -r" I; !. I p <. ..::. .. . . -'-' "/ ~ --~ r -' r::--F -/ A L~ .. -- '-Be. -~I\$ F B , ZF ?\ =0 +2 .-. L "._--r Ill + ~=;c. ("c: .,. / f r =-C -'5 fY~ \ V ) < ~ -('"""-: z +2. N ~ L, v-I.--7=/ .-C; A t ---I'-' 2 L ? J:.--=-U= ?CA , .., J~:l--1J + \ E/\ z"e,1 I .--.-~U ,--+2.-(;,.--r'~ -z 1--' -,.;; -== 2 I (0:) d 8 ZF C'~/Â·I? +?= 0 ~ F:::: + +[ - L Z~'-(7' i op +-cA...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online