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Answer to Problem 9.47P
Explanation of Solution
Given information:
The region:
Calculations:
Find the centroid first. From Table 8.1:
| | | | | |
1 | 216 | 6.0 | 9.0 | 1296 | 1944.0 |
2 | -96 | 4.5 | 13.2 | -432 | -1267.2 |
Sum | 120 | 864 | 676.8 |
The product of inertias with respect to x- and y-axis:
Hence, for assembly:
Conclusion:
For the region shown,
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Chapter 9 Solutions
International Edition---engineering Mechanics: Statics, 4th Edition
- A circular region of radius R/2 is cut out from the circular region of radius R as shown. For what distance d will kx for the new region be the same as kx (for the region before the cutout was removed?arrow_forwardGiven that P=120lb and Q=130lb, find the rectangular representation of P+Q.arrow_forwardThe length of the position vector r is 240 mm. Determine the rectangular components of (a) r; and (b) the unit vector directed from O toward A.arrow_forward
- International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L