🎓 mecademyAI 일반물리학 1 평형과 탄성 Problem 25
Principles of Physics 11th ISV Edition · Equilibrium and Elasticity · Problem 25
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Walker, Halliday & Resnick — Equilibrium and Elasticity: Problem 25

25 In Fig. 12-32, a lead brick rests horizontally on cylinders A and B. The areas of the top faces of the cylinders are related by $A_A = 2.2A_B$; the Young’s moduli of the cylinders are related by $E_A = 2.2E_B$. 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: 25 In, 32, a

구하는 것: (a) by cylinder A and; (b) by cylinder B? The horizontal distances between the center o; (c) What is the ratio $d_A/d_B$?

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📘 교재 정보

Principles of Physics · 11th ISV Edition
저자: Walker, Halliday & Resnick
출판사: Wiley
단원: Equilibrium and Elasticity