final exam open book, closed notes, do not write on this
TRANSCRIPT
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Wright State University ME 2120 Statics, Fall 2014
Department of Mechanical and Materials Engineering
FINAL EXAM
Open Book, Closed Notes, Do not write on this sheet, Show all work
Problem 1: (35 points) By direct integration, derive expressions for the area and the location of the centroid of
the area shown from the y-axis.
Problem 2: (25 points) Determine the internal forces at point K of the structure shown.
See back of this page for Problems 3 and 4.
y
x
a
b
a
100 lb
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Problem 3: (20 points) Block A supports a pipe column and rests as shown on wedge B. Knowing that the
coefficient of static friction at all surfaces of contact is 0.25 and that θ = 45°, determine the smallest force P
required to raise block A.
Problem 4: (20 points) Determine the moment of inertia of the area shown with respect to the centroidal axis
parallel to side AB.
1000 lb
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