3. A thin piece of metal of mass 80 g has the cross section shown in Fig. 17.Find the moment and products of inertia for the axes Ox and Oy. Through whatangles must these axes be rotated to coincide with the principal axes? Supposethe body is rotating at a given instant about the Ox axis with an angular velocity of 10 radians/sec. Find the direction of the angular momentum vector at thisinstant.1 cm10 cm1 cm7 cm.FIG. 17.

Answered: Image /qna-images/answer/d20392dc-93ad-4b16-a0eb-2131e42a98e4.jpg

Answered: of 10 radians/sec. Find the direction…

Engineering

Mechanical Engineering

of 10 radians/sec. Find the direction of the angular momentum vector at this instant. 1 cm 10 cm 1 cm -7 cm. FIG. 17.

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 9.80RP

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Concept explainers

Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

Question

3. A thin piece of metal of mass 80 g has the cross section shown in Fig. 17.
Find the moment and products of inertia for the axes Ox and Oy. Through what
angles must these axes be rotated to coincide with the principal axes? Suppose
the body is rotating at a given instant about the Ox axis with an angular velocity

of 10 radians/sec. Find the direction of the angular momentum vector at this
instant.
1 cm
10 cm
1 cm
7 cm.
FIG. 17.

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