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PROBLEM 5.113 (Continued)
Copyright © McGraw-Hill Education. Permission required for reproduction or display.
PROBLEM 5.114
A thin steel wire of uniform cross section is bent into the shape
shown. Locate its center of gravity.
PROBLEM 5.115
The frame of a greenhouse is constructed from uniform aluminum
channels. Locate the center of gravity of the portion of the frame shown.
PROBLEM 5.116
Locate the center of gravity of the figure shown, knowing that it is
made of thin brass rods of uniform diameter.
PROBLEM 5.117
Locate the center of gravity of the figure shown, knowing that it is
made of thin brass rods of uniform diameter.
PROBLEM 5.118
A scratch awl has a plastic handle and a steel blade and shank. Knowing that the density of plastic is
1030 kg/m
3
and of steel is 3
7860 kg/m ,
locate the center of gravity of the awl.
PROBLEM 5.118 (Continued)
Copyright © McGraw-Hill Education. Permission required for reproduction or display.
PROBLEM 5.119
A bronze bushing is mounted inside a steel sleeve. Knowing that the
specific weight of bronze is 0.318 lb/in
3
and of steel is 0.284 lb/in
3
,
determine the location of the center of gravity of the assembly.
PROBLEM 5.120
A brass collar, of length 2.5 in., is mounted on an aluminum rod
of length 4 in. Locate the center of gravity of the composite body.
(Specific weights: brass 0.306 lb/in
3
, aluminum 0.101 lb/in
3
)
Copyright © McGraw-Hill Education. Permission required for reproduction or display.
PROBLEM 5.121
The three legs of a small glass-topped table are equally spaced and are
made of steel tubing, which has an outside diameter of 24 mm and a
cross-sectional area of
2
150 mm .
The diameter and the thickness of the
table top are 600 mm and 10 mm, respectively. Knowing that the
density of steel is
3
7860 kg/m and of glass is
3
2190 kg/m , locate the
center of gravity of the table.
