2. Compute for the moment of inertia about xo and yo of the following figures. a) b) 25 mm I 100 mm 75 mm 75 mm X I= 11-12 Ans. Ixo = 27,963,997 mm, lyo = 12,346,602 mm* 120 mm 180 mm 1 = 11 + 12 100 mm 50 mm X

2. Compute for the moment of inertia about xo and yo of the following figures. a) b) 25 mm I 100 mm 75 mm 75 mm X I= 11-12 Ans. Ixo = 27,963,997 mm, lyo = 12,346,602 mm* 120 mm 180 mm 1 = 11 + 12 100 mm 50 mm X

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 9.8P: Using integration, compute the polar moment of inertia about point O for the circular sector. Check...

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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

Please include FBD and components.

2. Compute for the moment of inertia about xo and yo of the following figures.
a)
b)
25
mm
I
100 mm
75 mm
75 mm
X
1 = 11 - 12
Ans. Ixo = 27,963,997 mm, lyo = 12,346,602 mm*
120 mm
180 mm
1 = 11 + 12
100 mm
50 mm
X

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