gc physics textbook chapter 4 problems (id: bfd884b99)

本题目来源于试卷: gc physics textbook chapter 4 problems，类别为 通用国际物理

[填空题]
Two crates, of mass 75 kg and 110bpa17an0pg7l kg , are8lp-7bm* v5u, hetoq p in contact and at rest on a horizontal t7p-l b o8e,muh5 pvq*surface (Fig. 4-54). A 620$-\mathrm{N}$ force is exerted on the 75$-\mathrm{kg}$ crate. If the coefficient of kinetic friction is 0.15 , calculate
(a) the acceleration of the system,   
(b) the force that each crate exerts on the other.   
(c) Repeat with the crates reversed.   

参考答案:
空格1: 1.9±2%  空格2: 370±2%  空格3: 250±2% 


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