gc physics textbook chapter 4 problems (id: 2dbef6732)

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]
For the system of Fig. 4-32 (Ex la7 bg/96z03 zjgapisisrg6cq6/ex/ ample 4-2; dgoj;6a( poh0) how large a mass would box A have to have to prevent any moti ;gdh;(oj poa6on from occurring? Assume $\mu_{\mathrm{s}}=0.30$ .   

参考答案: 6.7±2%


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