CET 200
Statics
Test 3
NAME: _______________________
Instructions:
1.
2.
This is a close-book, close-notes test.
Problems should be presented neatly with clear solutions, units, sketches and all intermediate
steps.
1. (25 points) Find the moments of inertia, Ix and Iy, for the area shown below with respect to
the x and y axes shown below.
Y
X
X
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2. (25 points) Find the moments of inertia, Ix and Iy , for the area shown below with respect to the
centroidal axes of the object (i.e., you must find the centroid first.)
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3. (50 points) The truss below is supported by a pinned connection at A and rollers at joint E.
Determine the forces in members BC, HC, and HG in the truss shown below using the method of
sections. Indicate whether each member is in tension (T) or in compression (C) with your answers.
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