8-26 to 8–31 For each built-up section shown in Figs. P8–26 to P8–31, determine themoment of inertia and the radius of gyration of the section with respect tethe horizontal centroidal axis.+12 in. X 1 in. plate300 mm X 20 mm plateW14 X 61C250 × 0.438100 mm300 mm X 20 mm plate-12 in. X1 in. plateFIGURE P8-26FIGURE P8-27

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Engineering

Mechanical Engineering

nd the radius of gyration of the secti pidal axis.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.

Question

8-26 to 8–31 For each built-up section shown in Figs. P8–26 to P8–31, determine the
moment of inertia and the radius of gyration of the section with respect te
the horizontal centroidal axis.
+12 in. X 1 in. plate
300 mm X 20 mm plate
W14 X 61
C250 × 0.438
100 mm
300 mm X 20 mm plate
-12 in. X1 in. plate
FIGURE P8-26
FIGURE P8-27

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