gc physics textbook chapter 4 problems (id: a18b5554d)

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]
A box weighing 77.0 N reso;8s(7vqwqfoe67, ye j p,qn qts owh(se tp/3(-lnp sv,f,s c s0oa)l x7yn a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end (Fig. 4-40). Determine the force that the table exerts on the box if the weight hanging on the othe-3yx(ssps leat /hw,nc0s)l(pf,vo 7 r side of the pulley weighs
(a) 30.0 N ,   
(b) 60.0 N ,   
(c) 90.0 N .   

参考答案:
空格1: 47±2%  空格2: 17±2%  空格3: 0±2% 


本题详细解析:

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