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PROBLEM 5.98 (Continued)
6
53
aa
PROBLEM 5.99
Locate the centroid of the frustum of a right circular cone when r1 = 40 mm,
r2 = 50 mm, and h = 60 mm.
PROBLEM 5.100
For the machine element shown, locate the x coordinate of
the center of gravity.
3
,mmV ,mm
x
,mmz4
,mmxV 4
,mmzV
I Rectangular plate
3
(10)(90)(38) 34.2 10
19 45 649.8 103 1539 103
II Half cylinder
23
(20) (10) 6.2832 10
2
46.5 20 292.17 103 125.664 103
III –(Cylinder)
23
(12) (10) 4.5239 10
38 20 171.908 103 90.478 103
IV Rectangular prism
3
(30)(10)(24) 7.2 10
5 78 36 103 561.6 103
V Triangular prism
3
1(30)(9)(24) 3.24 10
2
13 78 42.12 103 252.72 103
46.399 103 848.18 103 2388.5 103
PROBLEM 5.100 (Continued)
34
33
848.18 10 mm
46.399 10 mm
XV xV
xV
PROBLEM 5.101
For the machine element shown, locate the z coordinate of
the center of gravity.
3
,mmV ,mm
x
,mmz4
,mmxV 4
,mmzV
I Rectangular plate
3
(10)(90)(38) 34.2 10
19 45 649.8 103 1539 103
II Half cylinder
23
(20) (10) 6.2832 10
2
46.5 20 292.17 103 125.664 103
III –(Cylinder)
23
(12) (10) 4.5239 10
38 20 171.908 103 90.478 103
IV Rectangular prism 3
(30)(10)(24) 7.2 10 5 78 36 103 561.6 103
V Triangular prism
3
1(30)(9)(24) 3.24 10
2
13 78 42.12 103 252.72 103
46.399 103 848.18 103 2388.5 103
PROBLEM 5.101 (Continued)
33
46.399 10 mm
PROBLEM 5.102
For the machine element shown, locate the y coordinate of
the center of gravity.
PROBLEM 5.103
For the machine element shown, locate the z coordinate of
the center of gravity.
PROBLEM 5.104
For the machine element shown, locate the y coordinate of the
center of gravity.
PROBLEM 5.105
For the machine element shown, locate the x coordinate of the
center of gravity.
