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Unformatted text preview: Q) EAS 20"?  STATl‘CS
First Exam
Fall 2010 Total points: 100 Time: 2 hours Notes: Closed book exam. Q.1) Replace the forces shown in Fig. 1 by an equivalent force system at
point 0. Then reduce the equivalent force system at O to a Wrench force system and locate the intersection of the wrench with the xy—plane. Use
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(x? + 9 § 3x (449,4 T + €8£6 g“ #473, ék) h :2 «mac; )9 3+ QéDZj M034 K, @y Q..2) A bracket is subjected to 3 forces and 2 moments as shown in Fig.2.
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Q.3) Draw freebody diagram(s) for the loaded frame shown in Fig. 3. The C/
radius of the disc at D is 1 foot and its weight is 300 lbs. The weight hanging from the disc is 500 lbs. Find the reaction forces at supports A and B. (34 points) @va #3 CM:
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 Fall '08
 Richards

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