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Unformatted text preview: ENGRD 2020 MECHANICS OF SOLIDS Prelim II Examination Tuesday, March 31, 2009 Academic integrity is expected of all students at all times whether in the presence or absence of members of the teaching staff. If you understand this and agree that you will neither give, nor use, nor receive unauthorized aid in this examination, please sign the Academic Integrity space on the examination booklet. Thank you. Please turn off your cell phone. No calls are to be made or received. 1. Equilibrium of Structures. A Howe truss is shown in the figure. All the joints of the truss are pin-joints. The support at A is a pin-joint and at G is a roller. Downward vertical loads of 10 kN are applied at joints B , C , and I as shown. Neglect self-weight of the members. (a) Is this truss statically determinate ? Justify your response. A loaded Howe truss. 35 Points (a) - 5 (b) - 5 (c) - 5 (d) - 5 (e) - 10 (f) - 5 (b) Draw the free body diagram of the truss....
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This note was uploaded on 10/07/2009 for the course ENGRD 2020 taught by Professor Zehnder during the Fall '06 term at Cornell University (Engineering School).
- Fall '06