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Engineering 9 – Statics
Sample Test for Exam #2
Chapters 4 & 5
April, 2012
This exam is open book, but closed notes. Please work carefully and show all necessary diagrams.
NEATNESS COUNTS. Round your answers to 3 significant figures.
This exam came from several different previous exams as well as your
textbook. Thus, the numbering of the problems is confusing (There are
3 different problems #4.), but I’m sure you’ll figure it out. The last
problem is from your textbook.
5 Solutions 44918
1/23/09
5:11 PM
Page 377
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z
5–71. The rod assembly is used to support the 250-lb cylinder.
Determine the components of reaction at the ball-andsocket joint A, the smooth journal bearing E, and the force
developed along rod CD. The connections at C and D are
ball-and-socket joints.
D
C
1 ft
A
x
1 ft
F
1 ft
1 ft
377
E
1.5 ft
y