In the figure, a lead brick rests horizontally on cylinders A and B. The areas of the top faces of the cylinders are related by A4- 2.2 AB; the Young's moduli of the cylinders are related by EA= 2.1 Eg. The cylinders had identical lengths before the brick was placed on them. What fraction of the brick's mass is supported (a) by cylinder A and (b) by cylinder B? The horizontal distances between the center of mass of the brick and the centerlines of the cylinders are defor cylinder A and dg for cylinder B. (c) What is the ratio da/dg? ds (a) Number (b) Number i (c) Number i Units Units Units com of brick B

In the figure, a lead brick rests horizontally on cylinders A and B. The areas of the top faces of the cylinders are related by A4- 2.2 AB; the Young's moduli of the cylinders are related by EA= 2.1 Eg. The cylinders had identical lengths before the brick was placed on them. What fraction of the brick's mass is supported (a) by cylinder A and (b) by cylinder B? The horizontal distances between the center of mass of the brick and the centerlines of the cylinders are defor cylinder A and dg for cylinder B. (c) What is the ratio da/dg? ds (a) Number (b) Number i (c) Number i Units Units Units com of brick B

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section: Chapter Questions

Problem 1STP

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Chapter 12, Problem 045 In the figure, a lead brick rests horizontally on cylinders A and B. The areas of the top faces of the cylinders are related by Aa= 1.7 AB; the Young's moduli of the cylinders are related by EA= 2.5 EB. The cylinders had identical lengths before the brick was placed on them. What fraction of the brick's mass is supported (a) by cylinder A and (b) by cylinder B? The horizontal distances between the center of mass of the brick and the centerlines of the cylinders are dafor cylinder A and dg for cylinder B. (c) What is the ratio da/dB? da com of brick A В (a) Number Units (b) Number Units (c) Number Units Click if you would like to Show Work for this question: Open Show Work