%increase in mass moment of inertia A rigid body shown in the fig. (a) has a mass of10 kg. It rotates with a uniform angular velocity w.A balancing mass of 20 kg is attached as shownin fig. (b). The percentage increase in massmoment of inertia as a result of this addition is10 kg10 kg20 kgFig. (b)Fig. (a)200 mm

Given data: A rigid body as shown in fig: ⇒ a has a mass =10 kg ⇒ ba balancing mass=20 kgIt…

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%increase in mass moment of inertia

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

%increase in mass moment of inertia

A rigid body shown in the fig. (a) has a mass of
10 kg. It rotates with a uniform angular velocity w.
A balancing mass of 20 kg is attached as shown
in fig. (b). The percentage increase in mass
moment of inertia as a result of this addition is
10 kg
10 kg
20 kg
Fig. (b)
Fig. (a)
200 mm

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