b.XA very common structural component of an aircraft wing is its spar. An 'I'shaped spar is shown in Fig. 1b. Locate the centroid of the section from X-X as shown in Fig. 1b and determine the area moment of inertia of this '1'-shaped spar about the centroid for x-axis.100200T300Fig. 1b10All dimensions in mm10X

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X as shown in Fig. 1b and determine the area moment of inertia of this '1'- shaped spar about the centroid for x-axis.

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 9.78P: The L806010-mm structural angle has the following cross-sectional properties:...

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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

b.
X
A very common structural component of an aircraft wing is its spar. An 'I'
shaped spar is shown in Fig. 1b. Locate the centroid of the section from X-
X as shown in Fig. 1b and determine the area moment of inertia of this '1'-
shaped spar about the centroid for x-axis.
100
200
T
300
Fig. 1b
10
All dimensions in mm
10
X

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