2004 Exam - GNG 1100 ENGINEERING MECHANICS Final...

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GNG 1100 - ENGINEERING MECHANICS Final Examination Time: 3 hours 17 December 2004 Page 1 of 3 Profs. Hallett and Skaff Closed Book. Non-programmable calculators only allowed. Free-body diagrams must be drawn wherever appropriate. Marks will be deducted for missing or incorrect free-body diagrams. 1. The sketch shows a tower crane subjected to three forces: the load T = 5.4 kN, the wind load W = 2.0 kN, and the counterweight G = 50 kN. The crane is held up by a fixed support ( f ix ed connection to the ground) at point A. (a) (3 marks) Write force T as vector components. (b) (8 marks) Determine the reactions at the base of the crane (point A). 2. (12 marks) The sketch shows a truss loaded by two forces. Determine the forces in members CD, CF and GF using the method of sections, stating whether each is in tension or compression. A l l j o i nts are frictionless pins. Note : a method of joints solution will be given a mark of zero (0).
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GNG 1100 - ENGINEERING MECHANICS Final Examination Time: 3 hours 17 December 2004 Page 2 of 3 Profs. Hallett and Skaff 3.
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2004 Exam - GNG 1100 ENGINEERING MECHANICS Final...

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