Answered: ment of area about the centroidal axis…

ment of area about the centroidal axis [Ia] for the rectangular section shown in the figure is bd/12. The second moment of area Ix1x1 is,

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter9: Moments And Products Of Inertia Of Areas

Section: Chapter Questions

Problem 9.40P

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Concept explainers

Center of Gravity and Centroid

The term center of gravity indicates the position or location of a point about which the whole weight of a body or system is supposed to be concentrated, which means the whole weight of the body or system works through this point. It is closely related to mass distribution. For all positions of the body, the center of gravity would be a single point.

Question

The second moment of area about the centroidal axis [Il for the rectangular section shown in the figure is bd/12. The second moment of area I,1y1 is,
--
--
X1
b
O a. bd316
O b-ba3/24
Ocbd313
O d. db3/12

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