Answered: What best approximates the mass moment…

What best approximates the mass moment of inertia of the composite body about the y-axis? 2. What best approximates the radius of gyration of the composite body about the y-axis?

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter8: Centroids And Distributed Loads

Section: Chapter Questions

Problem 8.89P: The steel cylinder with a cylindrical hole is connected to the copper cone. Find the center of...

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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

For the figure below answer the following:

1.What best approximates the mass moment of inertia of the composite body about the y-axis?

2. What best approximates the radius of gyration of the composite body about the y-axis?

(For Items 4-5) A composite machine component is constructed by welding together a 4-kg semicircular plate to a 9-kg rectangular
prism as shown.
3.5 cm
6 cm
Z
3.5 cm

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