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2002 Exam

# 2002 Exam - GNG 1100 ENGINEERING MECHANICS Supplemental...

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GNG 1100 - ENGINEERING MECHANICS Supplemental Examination Time: 3 hours February 2002 Page 1 of 3 Profs. Hallett, Skaff and Tamtsia Closed Book. All calculators allowed. Free-body diagrams must be drawn wherever appropriate. 1. (8 marks) The sketch shows the sail of a boat with dimensions given in metres. Determine the x and y coordinates of the centroid of the sail. The sketch below shows the location of the centroid of a triangle at y = h/3. 2. (8 marks) The sketch shows a frame which is supported by pin joints at A and B. The two members are joined by a pin at C. Note that member ACD is one continous piece - i t does not have a joint at C . Determine the reactions at A and B.

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GNG 1100 - ENGINEERING MECHANICS Supplemental Examination Time: 3 hours February 2002 Page 2 of 3 Profs. Hallett, Skaff and Tamtsia 3. (10 marks) At the new SITE building, a steel beam OB of length 8 m and weighing 1.5 kN is being pulled into position using two cables, BA and BC. The beam is in a horizontal position parallel to the x-axis. At O the beam can be
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2002 Exam - GNG 1100 ENGINEERING MECHANICS Supplemental...

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