Graphics Programs Reference
In-Depth Information
11.2000
Z: -0.2000 --
0.2000
Centroid: X: 10.0000
Y: 10.0000
Z: 0.0000
Moments of inertia: X: 79.3714
Y: 79.3714
Z: 158.7269
Products of inertia: XY: 78.9568
YZ: 0.0000
ZX: 0.0000
Radii of gyration: X: 10.0262
Y: 10.0262
Z: 14.1785
Principal moments and X-Y-Z directions
about centroid:
Press ENTER to continue:
I: 0.4145 along
[1.0000 0.0000 0.0000]
J: 0.4145 along
[0.0000 1.0000 0.0000]
K: 0.8133 along
[0.0000 0.0000 1.0000]
4. Analyzing the results, we can confirm that the centroid position is the tor-
us center. The principal moment of inertia about the Z axis is greater than
the others, meaning that we need more force to rotate the solid about the
Z axis than about the others.
5. We don't need to save the drawing.
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