Fundamentals of Physics Extended 12th Edition · Equilibrium and Elasticity · Problem Problem_45
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Halliday, Resnick & Walker — Equilibrium and Elasticity: Problem Problem_45
In Fig. 12.42, a lead brick rests horizontally on cylinders A and B. The areas of the top faces of the cylinders are related by \( A_A = 2A_B \); the Young’s moduli of the cylinders are related by \( E_A = 2E_B \). 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 \( d_A \) for cylinder A and \( d_B \) for cylinder B. (c) What is the ratio \( d_A/d_B \)?
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주어진 조건: 12.42, a
구하는 것: (a) by cylinder A and; (b) by cylinder B? The horizontal distances between the center o; (c) What is the ratio \
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Fundamentals of Physics Extended · 12th Edition
저자: Halliday, Resnick & Walker
출판사: Wiley
단원: Equilibrium and Elasticity